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540 Sombrero Beach Rd, Marathon
$1,635,000
2 Beds ⋅ 2 Baths ⋅ 620395 MLS
Located in Marathon's desirable Sombrero area, this waterfront home combines immediate boating access, thoughtfully designed outdoor living, and close proximity to Sombrero Beach. The property offers 76 feet of waterfront, a 40-foot dock, and immediate access to open water--an ideal setup for fishing, diving, or simply enjoying life on the water. When you're not on the boat, Sombrero Beach is just moments away. Recent improvements totaling more than $300,000 have transformed the outdoor spaces into an extension of the home. A custom pool and spa with sun shelf, travertine decking, outdoor grilling and bar area, updated landscaping, extensive landscape lighting, multiple covered and screened patios are among the property's notable upgrades. A climate-controlled 500-square-foot lower-level bonus area provides additional flexible space for storage, recreation, hobbies, or a home gym. The property has also proven itself as a highly successful vacation rental, with 2026 year-to-date income and existing future bookings already exceeding $100,000 net to the owner. The assumable flood insurance policy, currently just $1,289 per year, further enhances the property's appeal. Looking ahead, existing architectural plans provide the opportunity to add three additional bedrooms, creating a five-bedroom home and further maximizing this sought-after Sombrero Beach location. Enjoy the home as it is today, with its proven rental performance, while retaining the option to expand in the future. Immediate boating access, proximity to Sombrero Beach, thoughtfully designed outdoor living, proven rental performance, and future expansion potential come together in a property that offers the best of Keys living.

540 Sombrero Beach Rd, Marathon

11563 4th Ave, Marathon
$1,499,000
2 Beds ⋅ 2 Baths ⋅ 620337 MLS
Experience the Florida Keys lifestyle on a double lot in Marathon's sought-after Little Venice. This 2 bed/2 bath waterfront retreat boasts open-water views, 100' of concrete dockage with a 20,000 lb boat lift, and a resort-style outdoor living area built for entertaining. The backyard features a pool(heated or chilled), hot tub, poolside cabana with sink and refrigerator, mature tropical landscaping, and expansive decks for soaking up sunsets or unwinding after a day on the water. Practical boating amenities include power, water, lighting, and a fish-cleaning station; RV hookups and ample parking accommodate guests and all your toys. Inside, cathedral ceilings create a bright, airy living space while every bedroom enjoys its own private bath for comfort and privacy. Notable updates and systems: newer metal roof, tankless water heater, large laundry/utility room, and abundant storage. Located in a weekly-rental zone, the property offers strong income potential as a primary home, vacation getaway, or investment. From open-water vistas to thoughtful outdoor spaces, this home captures everything the Keys have to offer.

11563 4th Ave, Marathon

11554 5th Ave, Marathon
$655,000
3 Beds ⋅ 2 Baths ⋅ 620336 MLS
Affordable Florida Keys Living with Weekly Rental Potential in the Heart of Marathon Whether you're searching for a full-time residence, a vacation retreat, or an income-producing investment property, this charming 3-bedroom, 2-bath Conch cottage offers exceptional value in today's market. This property blends classic Keys character with modern upgrades and desirable rental flexibility. Newly renovated the home is move-in ready and designed for easy island living. Interior features include quartz countertops, stainless steel appliances, impact-resistant windows, and energy-efficient mini-split A/C systems that help keep utility costs low. The low-maintenance lot provides ample parking and storage, making it ideal as a primary residence, second home, or vacation rental. Situated in a weekly rental area, this property offers excellent income potential while allowing owners to enjoy their own slice of paradise. Conveniently located just minutes from world-class boating, fishing, waterfront dining, shopping, and all the attractions that make the Florida Keys such a coveted destination, this Little Venice gem combines affordability, convenience, and investment opportunity. Don't miss this rare opportunity to own an affordable piece of the Florida Keys with the flexibility to enjoy it, rent it, or both. Schedule your private showing today!

11554 5th Ave, Marathon

1040 81st Street Ocean St, Marathon
$2,099,000
3 Beds ⋅ 2 Baths ⋅ 620226 MLS
Enjoy sweeping ocean views from this beautifully designed Coastal Modern waterfront home in the heart of Marathon. Built with both style and durability in mind, this 3 Bedroom, 2 Bath CBS residence features concrete walls, floors, and roof, along with impact windows and doors for added peace of mind. Inside, oversized tile flooring and a bright open-concept layout create a clean, contemporary feel filled with natural light. The main living area flows comfortably to outdoor spaces, making the home ideal for relaxed Keys living and effortless entertaining. Two spacious guest bedrooms and a well-appointed guest bath provide inviting accommodations, while the private top-floor primary suite offers a peaceful retreat with access to the rooftop deck. An additional bonus space on the main level adds valuable flexibility and could serve as a possible 4th bedroom, office, pool cabana/dressing room or convenient guest overflow area. The rooftop deck is a true highlight, showcasing panoramic views of the turquoise Atlantic waters. Whether enjoying sunrise coffee, afternoon breezes, or evening cocktails under the stars, this elevated outdoor space captures the best of coastal living. After a day on the water, return to your concrete dock and unwind beside the canal-front pool with jets, or gather with guests on the expansive pavered patio overlooking the water. With multiple outdoor living areas, dockage, pool, and ocean views, the property is perfectly suited for boating, entertaining, and enjoying the laid-back island lifestyle. Conveniently located just minutes from restaurants, shopping, and the Marathon Airport, this property offers an exceptional blend of modern construction, coastal style, and Florida Keys waterfront living. With a proven rental history, this property also presents an outstanding investment opportunity for those seeking personal enjoyment and income potential in one of the Keys' most desirable destinations.

1040 81st Street Ocean St, Marathon

317 Tropical Ave, Marathon
$1,100,000
4 Beds ⋅ 3 Baths ⋅ 620206 MLS
Currently in Marathon, Duck Key & Key Colony there is no other New Construction Home available below $1.1M besides this Brand New Under Construction 4 Bed, 3 Bath, 1786 sqft living Concrete Above Flood Home, built by the local well-respected Design Center. It also happens to be located on a Corner Lot that backups to non-buildable protected land offering more privacy in the Grassy Key neighborhood, which has quickly become a highly desired area for many locals. It's a great family neighborhood with a community waterfront Sunset park and only a mile from a boat ramp. This home features poured solid concrete 16x16 columns plus an Energy Efficient Seamless Metal Roof, Hurricane Impact Windows & Doors, Spray Foam Insulation along with a High Efficiency 4 Ton A/C System, & even an Electrical Sub Panel Box prewired for a generator hook up. Pre-Cast Concrete Floors allowing for no center columns, which maximizes usable space in the 2 car garage. Step inside & find Maintenance Free Wide Plank Luxury Vinyl Flooring thru out the home, 8FT High Interior Doors, 9'6'' Ceilings, 5 ÂĽ'' Baseboards, LED Recess Lighting, Modern Fans in each Bedroom & the Living Room, an Open Kitchen with Shaker Soft Close Wood Cabinets with Crown Molding & Hardware including 42'' Uppers, Quartz Countertops including a Large 1 level island, a Tile or Quartz Backsplash, Pendant Lighting, a Full Stainless Steel Appliance Package & Modern Single Sink & Faucet. All 3 bathrooms feature Designer Tiled Floors, Custom Tiled Showers including LED underlighting and lit shower nooks with the Primary & 1 Guest Bath having Frameless Glass Enclosures & the 2nd Guest having a Tub/Shower Combo. They all have Wood Vanities with Quartz Counters, Modern Vanity Lighting & Mirrors, Modern Faucets & Toilets. Home comes with a 1-year Builders Warranty and can be offered Furnished by a local interior designer for an additional cost making it Vacation Rental Ready. ETA for completion is Dec 2026.

317 Tropical Ave, 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

5301 Ocean Ter Unit APT 2, Marathon
$365,000
1 Beds ⋅ 1 Baths ⋅ 620195 MLS
Welcome to your perfect waterfront retreat! This condo is located at the end of the building and has been beautifully maintained. Comes fully furnished, move-in ready and offers everything you need for comfort and convenience. Step inside to an inviting, open-concept living space that shows very well. Kitchen features quartz countertops, tasteful backsplash and new stainless steel appliances. Enjoy peaceful mornings and relaxing evenings on the screened-in porch overlooking the water, the ideal spot to unwind and take in the view. The condo's prime central location puts you just minutes away from shopping, grocery stores, dining, and your favorite food and beverage spots--everything you need is right at your doorstep. Bonus storage closet outside entrance for your gear. Complex offers heated swimming pool, outdoor common area, on-site laundry and boat dockage. Easy keys living awaits! Call Today!

5301 Ocean Ter Unit APT 2, Marathon

23 Treasure Rd, Marathon
$4,390,000
3 Beds ⋅ 3 Baths ⋅ 619918 MLS
Welcome to an elevated expression of island living at 23 Treasure Road in the heart of the Florida Keys. This impeccably maintained waterfront residence showcases breathtaking panoramic ocean views from every vantage point, including the pool, main living areas, dining space, primary suite, and tiki hut. Designed for effortless entertaining and everyday enjoyment, the pool is ideally positioned on the main living level alongside the kitchen and gathering spaces, creating a seamless indoor-outdoor flow rarely found in waterfront homes. Relax poolside while enjoying ocean breezes and endless blue water views. The upper level features two beautifully appointed bedrooms and three baths, enhanced by impact-rated doors, windows, and hurricane sliders for style and peace of mind. Downstairs, a private guest suite and expansive finished bonus space provide flexibility for guests, entertaining, or recreation. The oversized dual-entry garage accommodates up to three vehicles and offers exceptional space for the Florida Keys lifestyle, with plenty of room for fishing gear, dive equipment, water toys, and additional storage. A dedicated tackle room adds convenience for avid anglers and boaters alike. Along the water's edge, a substantial 200 foot rock seawall provides protection and presence, while the private boat ramp, dock, and boat lift offer effortless access to world-class boating and fishing. Two separate gated entrances welcome you into a lush, meticulously landscaped setting complete with privacy walls, mature hedges, and fencing for a serene and secluded atmosphere. Situated on an oversized parcel, this rare waterfront offering presents an exceptional opportunity to enjoy the ultimate private coastal retreat in the Florida Keys.

23 Treasure Rd, Marathon

574 & 576 99th St, Marathon
$1,225,000
4 Beds ⋅ 4 Baths ⋅ 619866 MLS
Beautifully renovated and fully turnkey duplex located on a deep-water canal in the heart of Marathon. This rare income-producing property features TWO spacious homes, 2BD/2BA on each side, each unit offers approximately 927 sq. ft. of updated coastal living with impact windows and doors, granite countertops, stainless steel appliances, tile flooring throughout, and covered parking. Renovated in 2020, the property blends modern finishes with the relaxed Florida Keys boating lifestyle. A true boater's dream, each side offers its own 30' concrete dock and seawall (60' total) complete with 30-amp shore power and fresh water hookups. Enjoy quick ocean access and easy Gulf access via Vaca Cut, making this an exceptional setup for anglers and boating enthusiasts alike. The waterside outdoor spaces are designed for entertaining and enjoying the Keys lifestyle, featuring string lighting, solar-lit dock pilings, under-dock fish lights that attract snapper and tarpon, and frequent manatee visits along the canal. Located directly next door to Oceanfront Park, owners and guests enjoy immediate access to one of Marathon's premier waterfront parks offering pickleball courts, a dog park, kayak launch, open green space, waterfront walking trails, playgrounds, exercise equipment and community events. Conveniently located 4 miles from Sombrero Beach, and 1.5 miles from Coco Plum Beach. Currently tenant occupied with both units rented month-to-month. This property also has strong vacation rental potential. Ideal opportunity to live in one side while renting the other, or maximize income potential with a fully turnkey investment property in one of the Florida Keys' most desirable boating communities. Current Insurances are very reasonable: $3,841 Flood (Covers both sides) 576 - $4,303 Wind 574 - $4,129 Wind 576 - $860 HO/Liability 574 - $721 HO/Liabilty (Pictures are of 576 99th, 574 is the same layout/finishes. Access can be arranged) POF/Pre-approval REQUIRED for showings.

574 & 576 99th St, Marathon

103 52nd St, Marathon
$2,100,000
5 Beds ⋅ 4 Baths ⋅ 619765 MLS
Welcome to Casa Sirena, a refined waterfront retreat in Marathon offering comfort, privacy, and strong investment appeal. Seller Financing available! This five bedroom, three bath home includes a convenient outdoor pool bath and is ideally positioned with water frontage on two sides. Boaters will appreciate 100 feet of durable composite dockage, a jet ski lift, and a private boat ramp shared with just one neighbor. The home enjoys close proximity to Boot Key Harbor, with easy access to waterfront dining by boat, as well as a straightforward route to the Gulf via Knight Key Channel and immediate Ocean access. The surrounding Vaca Key and Boot Key provide a natural buffer, offering added protection from the elements. Outdoor living is central to the property, with lush tropical landscaping, a saltwater pool, tiki hut, and expansive wraparound patios accessible from all rooms. Inside, the open floor plan connects the living, dining, and kitchen areas, creating a comfortable and functional space. The kitchen is equipped with high end appliances suited for everyday use or hosting. Additional features include a spacious two car garage with ample storage, an extra washer and dryer, refrigerator, freezer, and workbench. The home is offered fully furnished and turnkey, ready for personal use or as a vacation rental. Privacy fencing, a security system, and gated dock and ramp access complete the offering.

103 52nd St, Marathon

150 E 63rd St, Marathon
$875,000
3 Beds ⋅ 2 Baths ⋅ 619508 MLS
Welcome to your slice of paradise in the heart of Marathon! This exceptional ocean-side retreat is where luxury, lifestyle, and opportunity come together in one unforgettable property. This beautifully reimagined 3-bedroom, 2-bath half duplex offers an expansive 1,342 sq ft of spacious, stylish and light-filled living space--an incredibly rare find for a property of this kind in the Florida Keys. Step outside and you're instantly connected to what makes the Keys so special: 50 feet of brand-new dockage with direct ocean access, making it effortless to spend your days boating, fishing, or cruising turquoise waters at a moment's notice. Inside, no detail has been overlooked. This home has been completely renovated from top to bottom and is offered fully furnished and turnkey--just bring your flip-flops and start living (or earning). The stunning new kitchen, impact windows and doors, brand-new A/C, and sleek, modern finishes create a fresh coastal vibe that feels both luxurious and relaxed. The outdoor space is just as impressive, with a fully rebuilt dock designed for both peace of mind and peak functionality--perfect for accommodating your boat and embracing the ultimate Keys lifestyle. Whether you're searching for a private waterfront escape, a full-time residence, or a high-performing investment, this property checks every box. With short-term rentals allowed, the income potential is as attractive as the setting itself. And for those looking to dream even bigger, there's a rare opportunity to purchase the full duplex--unlocking maximum flexibility, privacy, and earning potential on an entire ocean-access property. Opportunities like this don't come around often--own a spacious, fully renovated waterfront home in one of Marathon's most sought-after locations and start living the life most people only dream about.

150 E 63rd St, Marathon

100 E 63rd St, Marathon
$875,000
3 Beds ⋅ 2 Baths ⋅ 619502 MLS
Welcome to your slice of paradise in the heart of Marathon! This beautifully reimagined 3-bedroom, 2-bath waterfront retreat offers 1,342 sq ft of spacious stylish, coastal living--an exceptionally rare find for a half duplex in the Florida Keys. Perfectly positioned on the ocean side, you'll enjoy direct ocean access and 50 feet of brand-new dockage--ideal for boating, fishing, and embracing the laid-back Keys lifestyle right from your backyard. Fully renovated from top to bottom, this home is offered completely furnished and turnkey, making it effortless to move in or start generating rental income immediately. Inside, you'll find a stunning new kitchen, impact windows and doors, a new A/C system, and sleek, modern finishes throughout. Step outside to your rebuilt dock, designed for both peace of mind and the ultimate boating experience. With short-term rentals allowed, this property delivers incredible flexibility--whether you're seeking a private island escape, full-time residence, or a high-performing investment. Even better, there's an option to purchase the full duplex, creating a rare opportunity to own an entire ocean-access property with outstanding income potential. Opportunities like this don't come around often--secure your dream waterfront lifestyle in one of Marathon's most sought-after locations!

100 E 63rd St, Marathon

1 Ave F, Marathon
$1,649,999
2 Beds ⋅ 2 Baths ⋅ 618917 MLS
1 Ave F, Marathon, FL 33050. Beautiful canal front home for sale in Marathon Florida. This inviting property features a spacious lanai, stretching across the back of the home, offering serene views of the canal and out to the open ocean great for relaxing and entertaining. Inside you'll find an open area and airy living room, dining room, and kitchen designed for effortless gatherings and coastal living. The home has two comfortable bedrooms and two full baths. The generous carport easily accommodates up to four vehicles and includes an underground storage shed for added convenience. A wonderful opportunity to enjoy the Florida Keys lifestyle with water views, boat slip, ample space and exceptional outdoor living with no HOA fees.

1 Ave F, 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

10877 Overseas Highway Unit 30, Marathon
$500,000
1 Beds ⋅ 2 Baths ⋅ 617741 MLS
Ocean Isles Fishing Village is a seven-acre gated oceanfront complex. New construction with modern amenities in the heart of the Florida Keys. Conveniently located near local restaurants, shopping, attractions, airport. Great for boating enthusiasts, Easy water access with private boat ramp, newly updated marina, fish cleaning stations, assigned boat slips for owners, new seawall, bulkhead, docks, Olympic-sized waterfront pool, air-conditioned clubhouse, ice machine, tiki huts, outdoor grilling area, laundry facilities, stunning views! This studio unit is immaculate and comes fully furnished. It has its own washer and dryer on the main level. It also has 2 full bathrooms instead of the typical 1 full and 1 half bath. Ground level covered parking. Own your very own piece of paradise! Rentals allowed. Pets with restrictions.

10877 Overseas Highway Unit 30, Marathon

11890 1st Ave Unit 2, Marathon
$2,495,000
5 Beds ⋅ 4 Baths ⋅ 618204 MLS
Welcome to The Tides at Vaca Cut #2, a beautifully designed 5-bedroom, 4-bathroom waterfront retreat in one of the Florida Keys' most desirable luxury communities. Offering 2,607 square feet of living space, this newer construction residence (2020) was thoughtfully built and designed by D'Asign Source, a leader in Florida Keys luxury architecture and interiors. Furnished with refined coastal style, the home blends upscale design with relaxed island living. The spacious open-concept living area opens seamlessly to a private pool and hot tub, creating an exceptional outdoor entertainment space framed by sweeping views of the Vaca Cut. Whether enjoying a sunset soak or hosting guests, the outdoor living experience here is second to none. Built with longevity and performance in mind, the home features concrete block construction, impact windows and doors, a metal roof, and double-stacked washers and dryers, making it exceptionally well-suited for high-demand vacation rental use. Boaters will appreciate 36 feet of dockage with immediate access to both the Atlantic Ocean and the Gulf of America, while the constant boat traffic through the cut provides some of the best boat-watching in the Middle Keys. Located in a proven luxury complex with strong rental demand, this turnkey property offers outstanding income potential along with an elevated waterfront lifestyle. Luxury design, prime dockage, and resort-style outdoor living—The Tides at Vaca Cut #2 is an exceptional opportunity to own in one of Marathon's premier waterfront developments.

11890 1st Ave Unit 2, 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

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