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118 Ave E, Marathon
$3,690,000
3 Beds ⋅ 3 Baths ⋅ 617135 MLS
Stunning Furnished Coastal Modern 3-bedroom, 3-bath modern waterfront estate built by the Florida Keys' premier builder, D'Asign Source. This three-story solid concrete home offers exceptional design, craftsmanship, and strength, perfectly positioned on over a quarter acre with 110 feet of deep-water frontage along a 300-foot-wide canal. Boaters will love the 10,000 lb boat lift, 85 feet of dockage, and direct deep-water access to the Gulf and Atlantic. A fish cleaning station with water, bait freezer, and commercial ice machine make this property a dream for anglers and water enthusiasts. Inside, expansive glass doors and windows flood the living space with natural light and showcase panoramic canal views. The chef's kitchen features Viking appliances, quartz countertops, wine cooler, and premium finishes, while the open-concept design connects seamlessly to multiple balconies and outdoor living areas. The master suite includes an oversized rainfall shower and a private balcony overlooking the water, while two guest bedrooms provide bright, inviting retreats. Outdoor living is the heart of this home, featuring a custom 440 sq. ft. pool with hot tub and sunshelf, surrounded by soft sand, hammocks, and lush tropical landscaping. Entertain in style at the covered outdoor bar and grilling area, or unwind with sunsets from the private rooftop lounge overlooking the Gulf of Mexico. Additional features include four+ parking spaces, trailer parking, high-speed WiFi, multiple smart TVs, and a fully fenced yard that's pet-friendly. Tis property combines luxury, durability, and a true Keys lifestyle — offering modern design, deep-water access, and spectacular views in one of Marathon's most sought-after waterfront neighborhoods.

118 Ave E, Marathon

13759 Overseas Hwy, Marathon
$3,599,000
4 Beds ⋅ 5 Baths ⋅ 621729 MLS
Existing improvements include a duplex and single-family home! Rare Florida Keys mixed-use development opportunity with approx. 124,300 sq. ft. of uplands plus additional bay bottom ownership. Property includes 4 verified building rights with Letter of Site Condition on file. Mixed Use (MU) zoning allows for a wide range of future possibilities, including commercial, residential, storage facility, marina-related use, workforce housing, market-rate housing, or potential subdivision into multiple parcels. Current zoning allows up to 6 market-rate units per acre or up to 15 affordable units per acre, buyer to verify per City of Marathon. The property offers approximately 216 feet of highway frontage, plus additional east-side access through an access easement, creating multiple entry points and flexibility for future site planning. A neighboring gas station adds convenience and commercial synergy for future development concepts. A unique feature is the sleeper asset of this property which is ownership/control of bay bottom extending behind approximately 12 lots along Cocoplum Drive, creating potential value tied to dockage, marina concepts, water access, assemblage opportunities, or long-term redevelopment. Deep-water access, good depth, multiple boating configurations, and proximity to the marked channel entrance add to the site's appeal. Large mixed-use tracts with water access and verified building rights are increasingly rare in the Florida Keys, making this a strong opportunity for an investor, developer, marina operator, or long-term land holder. Seller states property will be delivered vacant and free of personal belongings before closing. Buyer to verify zoning, density, building rights, permitted uses, dockage, water depth, access easements, permitting, and development potential.

13759 Overseas Hwy, Marathon

13759 Overseas Hwy, Marathon
$3,599,000
4 Beds ⋅ 5 Baths ⋅ 620305 MLS
Existing improvements include a duplex and single-family home! Rare Florida Keys mixed-use development opportunity with approx. 124,300 sq. ft. of uplands plus additional bay bottom ownership. Property includes 4 verified building rights with Letter of Site Condition on file. Mixed Use (MU) zoning allows for a wide range of future possibilities, including commercial, residential, storage facility, marina-related use, workforce housing, market-rate housing, or potential subdivision into multiple parcels. Current zoning allows up to 6 market-rate units per acre or up to 15 affordable units per acre, buyer to verify per City of Marathon. The property offers approximately 216 feet of highway frontage, plus additional east-side access through an access easement, creating multiple entry points and flexibility for future site planning. A neighboring gas station adds convenience and commercial synergy for future development concepts. A unique feature is the sleeper asset of this property which is ownership/control of bay bottom extending behind approximately 12 lots along Cocoplum Drive, creating potential value tied to dockage, marina concepts, water access, assemblage opportunities, or long-term redevelopment. Deep-water access, good depth, multiple boating configurations, and proximity to the marked channel entrance add to the site's appeal. Large mixed-use tracts with water access and verified building rights are increasingly rare in the Florida Keys, making this a strong opportunity for an investor, developer, marina operator, or long-term land holder. Seller states property will be delivered vacant and free of personal belongings before closing. Buyer to verify zoning, density, building rights, permitted uses, dockage, water depth, access easements, permitting, and development potential.

13759 Overseas Hwy, Marathon

58030 Overseas Hwy, Marathon
$3,500,000
3 Beds ⋅ 2 Baths ⋅ 621475 MLS
Great opportunity in the Middle Florida Keys! Owner financing available. Seller financing is available with a 20% down payment, 6.5% interest in a 5-year balloon. Other additional terms are subject to seller approval. This beautifully remodeled luxury oceanfront home is ideal as a full-time residence, vacation retreat, or income-producing investment. The property has a weekly vacation rental license and is currently used by the owner as a second home and part-time vacation rental. The home features three bedrooms, plus an additional room currently used as a fourth bedroom. Enjoy a beautiful, heated oceanfront pool, a smokeless fire-pit area, and breathtaking, unobstructed Atlantic Ocean views from all three levels. The property also includes boulders seawall. Recent improvements include a new roof and new air-conditioning unit, both installed in 2025. Completely remodeled with high-quality finishes, this exceptional property offers comfort, luxury, spectacular views, and excellent vacation-rental potential. Please note: The listing agent has a personal interest in this property.

58030 Overseas Hwy, Marathon

59720 Overseas Highway Unit 8, Marathon
$3,500,000
4 Beds ⋅ 5 Baths ⋅ 609718 MLS
CONSTRUCTION COMPLETE! MOVE-IN AND RENTAL READY! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys adjacent to Duck Key. A rare find of just 14 new construction residences offering four and five-bedroom floor plans all with direct Atlantic Ocean views, a resort style pool, pickleball court, sandy beach, and the flexibility of a weekly rental. The first floor offers a private two car garage and covered cabana with spacious outdoor living space that leads out to the private beach and pool deck. The second floor features an open floor plan with spacious kitchen, dining and great rooms all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor you'll find the primary suite with luxurious spa bath and three additional guest bedrooms. The homes are finished with high end KitchenAid appliances, waterfall quartz countertops, full height backsplashes, custom closets and much more. Additionally this residence offers upgrades including: elevator, outdoor summer kitchen, exterior spiral staircase to first floor, custom millwork, brass fixtures and fire pit. SeaGlass Cove is barefoot luxury at its best.

59720 Overseas Highway Unit 8, Marathon

2483 Yellowtail Dr, Marathon
$3,499,977
6 Beds ⋅ 7 Baths ⋅ 618743 MLS
Marathon is one of the Florida's Keys most desired cities as its home to the famous Seven Mile Bridge, has its own International Airport, offers some of the best fishing in the Keys & allows weekly vacation rentals. Currently there are very few New Construction Waterfront Pool Home opportunities available, especially for larger estate homes over 3,800 sqft. This under construction Modern Waterfront home, which has Western Rear Exposure for those stunning Florida Keys Sunsets. Over 2500 sqft of porches and 6 Beds, including 2 Primary Suites with attached Offices, 6.5 Baths, 3976 sqft of living space with an additional 1200 sqft of Exterior Porches overlooking the Canal and 1397 sqft of ground floor outdoor decking with a Custom Heated Saltwater Pool including a Sunshelf & Spa with Color Changing LED Pool Lights and Paver Pool Deck. Exterior Highlights will include a Modern Paver Driveway that leads to the home's Enclosed 2-Car Garage, which will have an EV charging station, Concrete Block Construction, Poured Solid Columns, Metal Roof, Energy Efficient Spray Foam Insulation in the ceilings and Hurricane Impact Windows & Doors throughout. The home will be pre-wired for a Home Generator. Inside you'll find Vinyl Plank Flooring throughout, 10 FT Ceiling Heights, 8FT Solid Core Doors, Custom Built Modern Railings, a Modern Kitchen with 42'' Upper Cabinets, Led under Cabinet Lighting, S/S Appliances, Quartz Counters including a Large Island & a Modern Backsplash. Each of the Baths will have Custom Designer Tiled Showers with Frameless Shower Glass & Modern Lighting, Smart Mirrors, Faucets, Toilets. For you boaters, there is 58 feet of boat dockage offering immediate open water direct Bay Access and just 15 minutes to the Atlantic Ocean and a neighborhood boat ramp. Why settle for someone else's design choices as right now you still have time to make your own selections for colors, finishings, fixtures, etc. Offered By Design Centers Luxury Estates Collection.

2483 Yellowtail Dr, Marathon

58652 Overseas Hwy, Marathon
$3,495,000
4 Beds ⋅ 4 Baths ⋅ 619913 MLS
Enter the bougainvillea-lined gates of Casa Feliz, a private oceanfront retreat on Grassy Key offering expansive water views, a white sand beach, and resort-style living. A strong-producing vacation rental with established history and future bookings in place, this exceptional estate presents an attractive investment opportunity. Set on more than 24,000 square feet of lush grounds with mature landscaping, fruit trees, fresh herbs, and .29 acres of bay bottom, Casa Feliz is designed for relaxation and entertaining. An observation pier provides access for kayaking, paddleboarding, fishing, and enjoying abundant marine life. Dockage is available nearby at Duck Key Marina or Grassy Key Marina, if desired. The property's unique orientation captures both sunrise and sunset views, a rare feature in the Keys. Outdoor amenities include a saltwater pool with cascading waterfalls, spillover spa, and a fully equipped poolside cabana featuring a wet bar, refrigerator, ice maker, and cooking area. A fire table and beachside fire pit offer inviting spaces to gather beneath the stars. Completely renovated down to the studs in 2022, the three-story residence was redesigned to maximize ocean views throughout. Four custom bedroom suites, each with a private en-suite bath, comfortably accommodate guests. The top-floor penthouse suite features a private balcony, 180-degree ocean views, custom 96-inch circular bed, and kitchenette with coffee station. Accordion impact-glass doors create a seamless connection between indoor and outdoor living. The gourmet kitchen features Café appliances, an induction cooktop, quartz countertops, mosaic tile backsplash, wine cooler, glass shelving, and multiple dining areas. Additional highlights include a movie theater, library loft, Control4 smart technology, custom millwork, and a mural by a local artist. Come discover why Grassy Key is the place to be.

58652 Overseas Hwy, Marathon

990 41st St Unit 10, Marathon
$3,475,000
5 Beds ⋅ 6 Baths ⋅ 621813 MLS
Luxury 5-Bedroom Waterfront Home in the Florida Keys Welcome to your dream retreat in Marathon, Florida! This stunning 5-bedroom, 5.5-bath residence sits on the desirable bay side, offering breathtaking water views and endless sunsets. Perfectly designed for comfort and entertaining, the home features an open-concept living space, gourmet kitchen, and spacious bedrooms with en-suite baths for ultimate privacy. Step outside to enjoy resort-style living with a sparkling pool, expansive patio, and direct access to the bay. Boating enthusiasts will love the assigned dock slip, making days on the water effortless. Whether you're seeking a full-time residence, vacation getaway, or investment property, this home delivers the ultimate Keys lifestyle--luxury, relaxation, and adventure right at your doorstep.

990 41st St Unit 10, Marathon

59720 Overseas Highway Unit 10, Marathon
$3,400,000
5 Beds ⋅ 5 Baths ⋅ 619897 MLS
CONSTRUCTION COMPLETE! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys, adjacent to Duck Key. A rare find of just 14 new construction residences offering direct Atlantic Ocean views, a resort-style pool, pickleball court, and sandy beach with the flexibility of a weekly rental. The first floor offers a private two-car garage and covered cabana with spacious outdoor living space that leads out to the pool deck and beach. The second floor features an open floor plan with spacious kitchen, dining, and great room all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor, you'll find the primary suite with a luxurious spa bath, a second guest suite and two additional guest bedrooms that share a bath. Luxuriously finished with high-end KitchenAid appliances, waterfall quartz countertops, full-height backsplashes, and much more. Additionally, this residence offers upgrades including an outdoor summer kitchen, an exterior spiral staircase from the second down to the first floor, and a fire pit. SeaGlass Cove is barefoot luxury at its best!

59720 Overseas Highway Unit 10, Marathon

355 Stirrup, Marathon
$3,300,000
4 Beds ⋅ 4 Baths ⋅ 621321 MLS
Welcome to Sunset Anchorage, a beautifully renovated open-water home in the exclusive gated community of Stirrup Key. Set on an expansive lot and a half, this three-story CBS turnkey home offers exceptional privacy, protected dockage and sweeping Gulf views with spectacular sunsets. Extensively updated, the home features a brand-new kitchen with custom cabinetry, a custom bar, updated flooring, new impact windows and doors, and new A/C units. New Hardie board siding accents the front exterior, adding texture and architectural character. The main level features the primary suite with a newly expanded and completely renovated bathroom. An additional guest bedroom enjoys marina views with a full bath nearby. A newly extended covered back porch off the living and dining rooms offers outdoor seating and dining overlooking the pool and Gulf. Upstairs, a secondary primary suite features a private full bath and walk-out balcony with stunning bay views, while another guest bedroom and half bath also enjoy expansive open-water views. Downstairs, a spacious covered patio and newly built tiki bar create additional entertaining space poolside. The pool has been beautifully re-tiled and refinished with new equipment, including a heater and chiller. A redone waterfront observation deck provides easy kayak access, views over the sandy bay bottom, and a front-row vantage point for spectacular sunsets. Protected dockage is just across the street in Stirrup Key's private marina. Boat slip D41 includes a new concrete walk-out dock and a 15,000-lb boat lift, with instant bay access and quick ocean access via Vaca Cut or Seven Mile Bridge. Additional features include a metal roof, garage, ground-floor storage, a fenced dog run, and mature tropical landscaping highlighted by a grove of gumbo limbo trees. Sunset Anchorage brings together open-water views, protected boating, privacy, and unforgettable Florida Keys waterfront living-offered turnkey and ready to enjoy from day one.

355 Stirrup, Marathon

58244 Overseas Hwy, Marathon
$3,260,000
4 Beds ⋅ 3 Baths ⋅ 620562 MLS
Some of the most impressive features of this 2024 built Grassy Key residence are the ones you may never notice. From its ICF construction and steel framing to the underground utilities and carefully engineered grounds, 58244 Overseas Highway reflects a level of planning that goes well beyond the ordinary. Four-foot-deep underground walls on three sides help protect against erosion, while geogrid beneath the gravel driveway adds stability. Oversized 1'' water piping, impact-resistant windows and doors, a metal roof and extra clearance underneath for RVs and boats with T-tops further demonstrate the attention to detail. The same thoughtful approach carries inside, where an expansive open living area captures spectacular Atlantic Ocean views and offers generous room for entertaining. An oversized oceanfront primary suite features balcony access, a spacious bathroom and walk-in closets. Three additional bedrooms, two full guest baths, laundry, utility room and a large pantry complete the floor plan. Outside, the property's true appeal becomes clear. A beautiful oceanfront pool and private sandy beach provide a setting for enjoying the water without ever leaving home. Carefully built, comfortably appointed and wonderfully situated, this is a distinctive opportunity on Grassy Key. Call today for more information or a private tour.

58244 Overseas Hwy, Marathon

955 122nd St, Marathon
$3,195,000
3 Beds ⋅ 2 Baths ⋅ 621904 MLS
**RARE WATERFRONT OPPORTUNITY IN EXCLUSIVE YACHT HARBOR ISLAND!** Discover one of Marathon's most desirable waterfront homesites, perfectly positioned on Vaca Cut with breathtaking sunset views and direct boating access to both the Atlantic Ocean and Gulf. Offered for sale for the first time in nearly 30 years, this oversized lot-and-a-half boasts an impressive 155 feet of water frontage, including 135 feet of brand-new 2026 seawall and a rare 20-foot-wide private boat ramp! This highly desirable feature makes the property a true boater's paradise, offering exceptional convenience and access to world-class fishing and cruising. The existing residence requires substantial renovation or redevelopment and is being offered AS-IS. The seller has building plans specifically designed for the property, or bring your own vision to life and create your dream Florida Keys waterfront estate. The expansive lot offers potential space for a resort-style pool, tiki hut, garage, RV parking, boat storage, and more, subject to applicable approvals. This remarkable homesite offers endless possibilities in one of Marathon's most sought-after oceanfront locations!

955 122nd St, Marathon

59720 Overseas Highway Unit 9, Marathon
$3,100,000
5 Beds ⋅ 5 Baths ⋅ 619896 MLS
CONSTRUCTION COMPLETE! MOVE-IN AND RENTAL READY! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys; adjacent to Duck Key. A rare find of just 14 new construction residences offering direct Atlantic Ocean views, a resort-style pool, pickleball court, and a sandy beach with the flexibility of a weekly rental. The first floor offers a private two-car garage and covered cabana with spacious outdoor living space that leads out to the pool deck and beach. The second floor features an open floor plan with spacious kitchen, dining, and great room all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor, you'll find the primary suite with a luxurious spa bath, a second guest suite and two additional guest bedrooms that share a bath. Luxuriously finished with high-end KitchenAid appliances, waterfall quartz countertops, full-height backsplashes and much more. Additionally, this residence offers upgrades including an outdoor summer kitchen, an exterior spiral staircase from the second floor down to the first floor, and a fire pit. SeaGlass Cove is barefoot luxury at its best!

59720 Overseas Highway Unit 9, Marathon

59720 Overseas Highway Unit 7, Marathon
$2,975,000
5 Beds ⋅ 5 Baths ⋅ 608751 MLS
CONSTRUCTION COMPLETE! MOVE-IN AND RENTAL READY! SeaGlass Cove is a brand-new luxury, gated island community located in the heart of the Florida Keys; adjacent to Duck Key. A rare find of just 14 new construction residences offering direct Atlantic Ocean views, a resort-style pool, pickleball court, sandy beach with the flexibility of a weekly rental. The first floor offers a private two-car garage and covered cabana with spacious outdoor living space that leads out to the pool deck and beach. The second floor features an open floor plan with spacious kitchen, dining, and great room all overlooking the Atlantic Ocean. One en-suite bedroom on this floor provides seclusion for guests. On the top floor, you'll find the primary suite with a luxurious spa bath, a second guest suite and two additional guest bedrooms that share a bath. Luxuriously finished with high-end KitchenAid appliances, waterfall quartz countertops, full-height backsplashes, custom closets, and much more. Additionally, this residence offers upgrades including an outdoor summer kitchen, an exterior spiral staircase from the second down to the first floor, and a fire pit. SeaGlass Cove is barefoot luxury at its best!

59720 Overseas Highway Unit 7, Marathon

217 Sombrero Beach Rd Unit 1 & 2, Marathon
$2,950,000
8 Beds ⋅ 6 Baths ⋅ 621783 MLS
Incredible Income-Producing Full Duplex | 8 Bedrooms | 6 Bathrooms | 4 Bedrooms | 3 Bathrooms per Unit | 2 Pools | 40' Dock Rare opportunity to own a highly desirable, newer construction duplex offering exceptional income potential and resort-style amenities. The property features a total of 8 bedrooms and 6 bathrooms, with each side boasting 4 beds and 3 baths, private entrances, and separate utilities--ideal for investors, vacation rental operators, or owner-occupants seeking rental income. Both units have been well maintained and offer spacious, open floor plans with updated kitchens, ample natural light, and modern finishes. Each side opens to its own private pool-perfect for guests or personal use. The tropical landscaping, fenced yard, and multiple lounging areas create a true retreat atmosphere. The units can be opened up to one another to allow for larger groups in a connected space. A 40-foot dock provides direct water access, making this a boater's dream with potential for added rental income from dock usage. Just minutes from open water with a 4' control depth, this property is a rare find in today's market. Additional features include ample parking, turnkey rental-ready with proven rental history, potential for short-term rental (verify with municipality) and centrally located near beaches, dining, shopping, and top local attractions, this duplex delivers strong year-round rental demand. Each side is heavily occupied well into 2027. A perfect blend of luxury living and passive income potential. Financials available upon request to qualified buyers. Call to schedule your private showing today. We request to please allow 24 hour notice because of potential occupancy.

217 Sombrero Beach Rd Unit 1 & 2, Marathon

246 & 248 Pescayo Ave, Marathon
$2,950,000
614973 MLS
Ready to Build Your Dream Florida Keys Estate? This rare opportunity includes two large adjacent, cleared parcels, totaling 21,798 sq ft, in the heart of Marathon, already vested with a City of Marathon Market Rate Transferable Building Right, (TBR) — meaning no wait, no red tape - start building immediately! Positioned on a deepwater canal with 7.9' controlling depth, this location is ideal for large vessels and offers quick access to the open Atlantic, while providing protected dockage in a serene setting. Enjoy views toward the ocean from this extraordinary site. Dock permits are pending, and the sale includes a full set of architectural plans for a luxury residence complete with a private pool and pickleball court—all crafted by a respected local engineering firm and ready for permitting submission. Renderings of the completed home bring the vision to life and are featured in the listing gallery. No guessing, no waiting—just groundbreaking luxury. Watch the video Create your personal Keys retreat today.

246 & 248 Pescayo Ave, Marathon

123 W Bruce Ct, Marathon
$2,950,000
4 Beds ⋅ 3 Baths ⋅ 617358 MLS
Experience stunning water views from this exceptional 4-bedroom, 3-bath home situated on a desirable bayside corner lot. This property offers extensive dockage with a step down, custom-built steel bumpers, accommodating multiple vessels with ease. With approximately 190 feet of waterfront, you can unwind by the beautiful swimming pool and hot tub while enjoying serene lagoon views. The home is offered fully furnished and features an updated kitchen with stainless steel appliances and quartz counters, newer A/C, impact windows, and an interior laundry room with custom cabinetry. Weekly rentals are permitted, adding excellent investment potential. Enjoy outstanding views from the living area and balcony, as well as canal views from 2 of the bedrooms. This is the perfect spot for kayaking, paddleboarding, and fishing directly from your private dock. The deep water access allows for large vessels, and there is ample parking for all your toys. A public boat ramp is conveniently located just a few blocks away. Additional highlights include a dedicated rod-and-reel room/lower-level storage area just steps from the dock, a fish-cleaning station with running water, an outdoor shower, and concrete steps providing easy kayak and paddleboard launch access. Tons of storage space downstairs on an oversized lot. This is a true boater's paradise--perfectly equipped for relaxation, recreation, and coastal living at its finest.

123 W Bruce Ct, Marathon

111 Ave D, Unit 2, Marathon
$2,899,000
5 Beds ⋅ 5 Baths ⋅ 621167 MLS
Now offered turnkey furnished, this brand-new waterfront home in Marathon's Coco Plum neighborhood features 5 bedrooms, 5 bathrooms, and two 40+ ft boat slips. Enjoy a private pool, covered terraces, and a summer kitchen overlooking the canal. The first floor offers a ranch-style entrance with a bedroom, full bath, family room, and laundry--ideal for guests or mother-in-law quarters. Upstairs, open-concept living, a beautifully appointed kitchen, and a primary suite with a private waterfront terrace complete the home. Built with rentals in mind, dual washer and dryer stations make hosting easy. CBS construction, impact windows and doors, and a metal roof add lasting appeal to this ready-to-enjoy Keys retreat.

111 Ave D, Unit 2, Marathon

94 Sunrise Dr, Marathon
$2,899,000
619491 MLS
Build your dream oceanfront home in the prestigious gated community of Sunrise Isle, a coastal island of just 20 properties located next to beautiful Sombrero Beach in the heart of Marathon. Build anytime you like as the property comes with a deeded City of Marathon Transferrable Building Right subject to the conditions of the City of Marathon. Generous 40,249 sq. ft. ocean and canal front lot (a rare find in the Keys) boasts approximately 104 ft. beach frontage and approximately 467 ft. deep water canal frontage with the option for boat dockage on two separate sides of the canal. A brand new concrete seawall offers superb boating access to both the Ocean and Gulf for world-class fishing and diving. Fly into Marathon's Jet Center just minutes away and once home walk to beautiful Sombrero Beach or enjoy golf, dining and shopping just seconds away. Don't miss this opportunity to build your custom waterfront home in the Fabulous Florida Keys.

94 Sunrise Dr, Marathon

121 Calle Ensueno, Marathon
$2,800,000
4 Beds ⋅ 4 Baths ⋅ 620899 MLS
Welcome to prestigious Sombrero Isle, one of the Middle Keys' most exclusive waterfront communities. This exceptional 4-bedroom, 4-bath residence blends timeless elegance with the relaxed luxury of the Florida Keys lifestyle. Step inside to a grand living room highlighted by soaring volume ceilings, gleaming marble floors, a gracefully curved staircase, and a wraparound mezzanine that leads to the spacious bedrooms and private guest quarters. Designed for both everyday living and entertaining, the home offers an open, inviting atmosphere with impressive Mediterranean architectural details throughout. The well-appointed kitchen features granite countertops, stainless steel appliances, and abundant cabinetry, providing both style and functionality. Outdoors, enjoy your own tropical retreat with a heated freeform swimming pool and over 40 feet of dockage with approximately 5 feet of controlling depth, offering convenient access for a variety of boats. Nestled within the private island community of Sombrero Isle, this intimate enclave consists of only 32 waterfront homes, each situated on approximately one-half acre. Boaters will appreciate the quick access via Sister's Creek to the Atlantic Ocean and some of the finest fishing and diving waters in the United States. Residents also enjoy close proximity to the renowned Sombrero Beach, scenic parks, shopping, fine dining, and vibrant local restaurants and waterfront bars. Marathon International Airport is just 10 minutes away, making travel to and from paradise effortless. Experience the perfect combination of luxury, privacy, and premier boating access in one of Marathon's most coveted waterfront neighborhoods.

121 Calle Ensueno, Marathon

837 Copa D Oro, Marathon
$2,799,000
4 Beds ⋅ 4 Baths ⋅ 620205 MLS
Discover elevated waterfront living in this newly constructed custom two-story concrete residence, offering 4 spacious bedrooms, each with its own private en-suite bath. Thoughtfully designed for both comfort and entertaining, the home features a seamless open-concept layout that effortlessly connects indoor and outdoor spaces. At the heart of the home is a designer chef's kitchen appointed with premium stainless steel appliances, including double convection ovens, a smart refrigerator, dishwasher, vented range hood, and wine cooler. A large center island with prep sink, quartz countertops, custom cabinetry, and elegant LED pendant lighting complete the space. Throughout the home, porcelain tile flooring, designer finishes, and expansive windows create a bright and sophisticated atmosphere. A first-floor guest suite offers balcony access with views overlooking the pool, dock, and canal. The striking floating staircase, accented by a custom LED chandelier, leads to the upper level where three additional en-suite bedrooms await. The luxurious primary suite serves as a private retreat, featuring a freestanding soaking tub, dual vanities, an oversized porcelain tile shower, and a MOEN smart multi-head shower system with app-controlled temperature and spray settings. Additional features include impact windows and doors, a web-connected security camera system, energy-efficient LED lighting, 8-foot interior doors, 4K Smart TVs throughout, dual 3-ton 16 SEER air conditioning systems, a standing seam metal roof, aluminum railings, and spacious balconies on both levels. The property offers dual staircases leading to the outdoor living area, a 12' x 26' custom pool and a 50 foot dock. Ideally located in Marathon's desirable Flamingo Island neighborhood, this exceptional property is just minutes from Sombrero Beach, restaurants, and local attractions. Built with quality, durability, and style in mind, this remarkable waterfront home captures the essence of luxury living.

837 Copa D Oro, Marathon

835 Copa D Oro, Marathon
$2,799,000
4 Beds ⋅ 4 Baths ⋅ 620204 MLS
Experience luxury waterfront living in this custom-built, new construction two-story concrete home featuring 4 bedrooms and 4 private en-suite baths. Designed for entertaining, the open-concept layout seamlessly blends indoor and outdoor living. Currently set up as a vacation rental and can be sold furnished and turn key. The chef's kitchen boasts top-of-the-line stainless steel appliances including double convection ovens, Smart refrigerator, dishwasher, vented range hood, prep sink, wine chiller, quartz countertops, custom cabinetry, and a large island. Porcelain tile flooring, custom fixtures, LED lighting, and abundant natural light enhance every space. A first-floor en-suite bedroom offers balcony access overlooking the pool, dock, and water. The dramatic floating staircase with custom LED chandelier leads to three additional en-suite bedrooms upstairs. The primary suite features a floating soaking tub, double vanity, custom porcelain tile shower, and MOEN programmable multi-head shower system with smartphone controls. Additional features include impact windows and doors, web-enabled security camera system, 4K Smart TVs in every room, 8-foot interior doors, two 3-ton 16 SEER A/C units, standing seam metal roof, aluminum railings, and expansive balconies on both levels. Situated on an oversized 11,319 sq. ft. corner lot, the property includes a 12' x 26' pool with custom pavers, two stairways to the outdoor living area, and a 36 foot dock completed in January 2024. Located in the desirable Flamingo Island neighborhood of Marathon, just minutes from Sombrero Beach, dining, shopping, and entertainment. Enjoy quick access to open water, world-class fishing, boating, diving, and the crystal-clear turquoise waters of the Florida Keys. Built to impress and built to last, this exceptional waterfront retreat offers the ultimate Florida Keys lifestyle. Adjacent property at 837 Copa D'Oro is also available, featuring an 8,200 sq. ft. lot and 50-foot dock

835 Copa D Oro, Marathon

443 Sombrero Beach Rd, Marathon
$2,789,000
5 Beds ⋅ 5 Baths ⋅ 619236 MLS
Weekly rental income-producing property with open water access and dockage on desirable Sombrero Beach Road. This 5-bedroom, 5-bath coastal villa is a proven vacation rental offering immediate income potential in the heart of Marathon, just moments from Sombrero Beach. Thoughtfully designed across three levels, the home features light-filled interiors with a coastal palette of soft blues and crisp whites, creating a relaxed luxury feel. Modern finishes, spacious living areas, and seamless indoor-outdoor flow enhance the overall appeal. An elevator provides convenient access to all levels, and multiple balconies capture tropical breezes and water views. Private dockage with direct open water access makes this an ideal property for boating and fishing enthusiasts. The outdoor area includes a private pool and ample space for entertaining, adding to its strong rental performance. Located just a short walk or bike ride to Sombrero Beach, known for its sandy shoreline, calm waters, and beautiful sunsets. Ideal as an investment property, second home, or full-time residence with income potential.

443 Sombrero Beach Rd, Marathon

900 101st Street Ocean St, Marathon
$2,750,000
6 Beds ⋅ 6 Baths ⋅ 620132 MLS
Welcome to your dream waterfront retreat in the heart of the Florida Keys! This stunning 6-bedroom, 6-bathroom pool home in Marathon offers the perfect blend of luxury, comfort, and investment potential. Situated on an expansive 150 feet of deep-water dockage, this property is a boater's paradise, with easy access to the Atlantic Ocean and the Gulf of Mexico. Whether you're setting sail for a day of world-class fishing or cruising to nearby islands, this home's premier location ensures smooth sailing. Designed for both relaxation and entertainment, the home boasts an open-concept living space with breathtaking water views, a gourmet kitchen, and spacious en-suite bedrooms. Step outside to a tropical oasis featuring a resort-style pool, ample patio space, and a covered outdoor entertaining area—perfect for enjoying the Florida Keys lifestyle This property also delivers excellent vacation rental income, making it a fantastic investment opportunity. With strong rental demand in Marathon, this home is an ideal choice for investors looking for a high-performing rental property or a luxurious personal retreat with income potential. Don't miss out on this rare deep-water waterfront gem in the Keys—your slice of paradise awaits!

900 101st Street Ocean St, Marathon

14 Ave F, Marathon
$2,750,000
4 Beds ⋅ 4 Baths ⋅ 618953 MLS
SERIOUS BOATERS--THIS IS THE ONE TO SEE. Exceptional waterfront opportunity in Marathon offering 110 feet of concrete dockage with dual 40-foot finger piers on an approximately 200-foot-wide canal with direct Atlantic access. Bring the boats, jet skis and kayaks--this property was designed for enjoying life on the water. This private waterfront retreat offers over 3,200 square feet with four bedrooms and three-and-a-half baths, a dramatic two-story great room, expansive windows and generous spaces for gathering and entertaining. Outside is where this property truly separates itself: extensive dockage for multiple vessels, floating jet ski and kayak docks, davits, fish-cleaning station and ice machine, plus a heated pool and spa surrounded by tropical landscaping. Weekly rentals are allowed, offering an attractive opportunity for buyers seeking a Florida Keys second home with the potential to generate additional rental income when not in personal use. Morning boat rides. Afternoons by the pool. Evenings overlooking the water. This is the Florida Keys lifestyle buyers come here to find.

14 Ave F, Marathon

57457 Morton St, Marathon
$2,695,000
2 Beds ⋅ 2 Baths ⋅ 621246 MLS
A rare combination of land, privacy, boating, and open-water living awaits on approximately half an acre of Gulf-front paradise in Grassy Key. With panoramic water views, a private beach, waterfront dock with a 20,000-pound boat lift, heated concrete pool, and lush tropical grounds, this property captures the very best of Florida Keys living. Surrounded by mature landscaping, the two-bedroom, two-bath residence enjoys a peaceful, private setting with beautiful Gulf views. Light-filled living spaces embrace the waterfront surroundings, while the kitchen features granite countertops and stainless steel appliances. Both bedrooms offer private baths for owners and guests alike. Step outside and the Keys lifestyle comes alive. Walk to your private sandy beach, lower the boat from your 20,000-pound lift for a day on the water, relax beside the heated pool, or watch the sun disappear over the Gulf from your own shoreline. Expansive grounds and tropical landscaping provide a level of space and privacy that can be difficult to find in the Keys. The property also boasts an exceptional rental history, consistently renting approximately 50 weeks per year and generating roughly $175,000 in annual rental revenue--a testament to the tremendous appeal of this waterfront setting. Whether you're searching for a private Keys retreat or a proven vacation rental investment, this Grassy Key property offers an extraordinary combination of lifestyle and opportunity. Private beach. Open Gulf views. Boating. Pool. Half an acre of tropical privacy. This is the Florida Keys lifestyle people dream about.

57457 Morton St, Marathon

57652 Overseas Hwy, Marathon
$2,600,000
3 Beds ⋅ 3 Baths ⋅ 621708 MLS
Discover this exceptional oceanfront property on Grassy Key in Marathon, Florida! Fully remodeled, this solid-concrete home offers breathtaking ocean views and the ultimate Florida Keys lifestyle. Featuring 3 bedrooms and 3 bathrooms, the versatile layout includes one bedroom and one bathroom on the first level, with two bedrooms and two bathrooms upstairs. The open-concept living area showcases a brand-new kitchen with quartz countertops and stainless steel appliances. Enjoy a newly constructed concrete swimming pool with jacuzzi and water heater, impact windows and doors, and a wraparound balcony, brand-new AC system and more! The spectacular rooftop deck is perfect for entertaining, relaxing, and enjoying panoramic ocean views. A rare opportunity to own a beautifully upgraded waterfront property with excellent vacation rental potential. Weekly rentals offer an opportunity to generate income while enjoying your own private island retreat. Whether you're looking for a personal getaway or an income-producing investment, this remarkable property delivers breathtaking views, modern upgrades, and the best of Florida Keys living!

57652 Overseas Hwy, Marathon

217 Bruce Ct, Marathon
$2,599,000
3 Beds ⋅ 2 Baths ⋅ 621465 MLS
Over a $300K PRICE IMPROVEMENT! Exquisite Tropical keys living experience awaits. A natural setting with sunset views in the warmth of a coastal home along this beautiful bayside waterfront corner lot. This home is surrounded by 155 feet of seawall & a fabulous 35+ foot dock equipped with a 13000 lb boat lift & Quick easy access to the Gulf. Ease in navigating the bay waters for docking & terrific for even the ''monster'' boats! Multiple docking configurations possible! This home provides tranquil privacy & easy living. A large covered out door living area along with an enclosed flex space offers endless opportunities. Plus a double car garage that is large enough for a full size truck! Staying home for the day? Cool off in your pool or sit in the shade of the coconut trees. Want to take a water break? Private steps to the bay with easy launching for your kayaks or paddle boards. Enjoy the views of the gulf & sunsets from your patio & backyard. This open floor plan, high ceilings 3 bedroom, 2 bath home has amazing appointments & finishes throughout. A beautiful kitchen designed for the most discerning chef with: expansive island, stunning granite counters, nicely upgraded 1 year new SS appliances, double Pantry cabinetry & storage galore. Plus a morning coffee bar with upper & lower cabinets , sink & beverage fridge. The Primary ensuite provides a spacious room, natural light, a walk-in shower, a soaking tub & double sinks with drawer/cabinetry vanity, pendent lights plus a TV. Both bathrooms have tile decorative features along with stunning granite counters in primary & Quartz in Guest room + framed mirrors. Additional storage in separate laundry room & linen closets. The expansive patio, dock & stairs recently redone with maintenance free composite; Never have to paint or replaced. This almost new construction has barely been lived in used as a part-time getaway & Never been a rental. The construction is built 2 feet above flood elevation. Easy To See!

217 Bruce Ct, Marathon

815 39th St, Marathon
$2,490,000
4 Beds ⋅ 4 Baths ⋅ 621438 MLS
Welcome to Emerald Flats, an exclusive gated waterfront community in the heart of Marathon, where sophisticated coastal design and the Florida Keys lifestyle come together effortlessly. Designed & Built by D'Asign Source, this beautifully furnished 4-bedroom, 4-bath residence was completed in 2025 and offers 2,805 square feet of refined living space, thoughtfully designed for both relaxed everyday living and memorable entertaining. High ceilings, abundant natural light, impact-rated windows and doors, and a metal roof complement the home's fresh, modern construction. The interiors are light, airy, and beautifully curated in an elevated coastal palette. At the heart of the home, the designer kitchen pairs quartz countertops, KitchenAid stainless steel appliances, crisp white cabinetry, statement lighting, and an oversized waterfall-edge island with generous seating. A separate bar and entertaining area adds another layer of functionality, while the open-concept layout flows seamlessly into the dining and living spaces. Expansive glass doors invite the outdoors in and open to spacious covered balconies overlooking the Gulf, creating an exceptional setting for morning coffee, sunset cocktails, or simply enjoying the tropical surroundings. The bedrooms are equally inviting, with private balcony access in select rooms and beautifully appointed baths featuring quartz surfaces, glass-enclosed showers, and custom tile details. Boating is an effortless part of the lifestyle with Boat Slip #29 included, measuring approximately 45 feet long by 14.75 feet wide, providing convenient private docking just moments from home. Fully furnished and move-in ready, this exceptional Emerald Flats residence offers the perfect blend of luxury, waterfront living, modern comfort, and easy access to everything that makes Marathon so special. Bring your suitcases, your boat, and start living the Keys lifestyle from day one.

815 39th St, Marathon

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