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$990,000
3 Beds ⋅ 2 Baths ⋅ 621222 MLS
This is a great opportunity to purchase a Concrete Block Deep Water Access Canal Front Home in the Heart of Marathon on the Gulf side of US 1 below $1M. With about a 4 foot control depth and an existing concrete seawall in place and about 77 feet of frontage, this property can easily accommodate the larger center consoles. Open Water Access in just a few minutes to the Gulf and about 10 minutes to the Atlantic Ocean. The home features 3 Beds, 2 baths, with 1,242 sqft on a large 8,485 offering sqft lot with a Concrete Driveway, Room to Park a RV, Boat Trailer, and room for a pool. The rear Covered Screen Lanai overlooks the canal, and the Covered Carport has built in Storage closets. The home features a Metal Roof and inside it does offer original 1960's charm with a ton of potential as right now it has original Kitchen Cabinets, Terrazzo Floors, Mini Splits in almost all the rooms for efficient air conditioning and original windows. Both baths have original tile showers with 1 being a Full Shower and the other featured a tub/shower combo. With the house right next door just selling at 11295 3rd Avenue Gulf for $1.45M, you have a unique opportunity to acquire, make smart renovations and be sitting on strong positive equity if done right. Due to the lot size, you can even choose to knock down the existing house and build a Brand-New Modern home to your exact specs and take advantage of the deep-water canal. We currently have plans for homes ranging from 1750 sqft to just below 4000 from the well-respected local builders, Design Center. We also have local lenders in place to offer construction financing up to 80%. So much potential and routes you can with this one.

11285 3rd Ave, Marathon
$1,295,000
3 Beds ⋅ 2 Baths ⋅ 621216 MLS
Discover the potential of this concrete constructed, waterfront pool home tucked away on tranquil Flamingo Island. Offering the ideal opportunity to renovate, personalize, and create your own Florida Keys retreat, this property features three bedrooms, two bathrooms, and nearly 1,300 square feet of interior living space. More than 600 square feet of screened porches invite relaxed indoor-outdoor living, while over 500 square feet of enclosed storage provides valuable additional space for boating gear, bicycles, fishing equipment, and more. Boaters will appreciate the newly constructed 60-foot wood dock, completed in 2025, along with excellent deep-water access through nearby Sister Creek. After a day on the water, unwind beside the concrete pool or enjoy the peaceful island surroundings. Additional improvements include a metal roof installed in 2020 and termite tenting completed in 2025 by Hammerhead Termite Control. Located behind the Florida Keys Golf and Country Club, Flamingo Island is a quiet, dog-friendly waterfront neighborhood close to everything Marathon has to offer. Take the golf cart to Sombrero Beach, Publix, nearby restaurants, and local conveniences. With superior concrete construction, substantial dockage, a private pool, generous outdoor living areas, and an inviting waterfront setting, this fixer-upper presents a rare blank canvas ready to be transformed into your ideal Keys escape.

105 Santa Barbara, Marathon
$220,000
2 Beds ⋅ 2 Baths ⋅ 620980 MLS
One Owner. One Vision. One Seriously Good Price. Since 1981, this Florida Keys condo has had exactly one owner -- and he took excellent care of it. What he didn't do is renovate it, which means you're not buying someone else's idea of renovated. You're buying a blank canvas with great bones, and the lowest price tag on any condo in the entire Florida Keys. Upstairs: two bedrooms and a full bath, tucked away from the action. Downstairs: a convenient half bath and open floor plan with balcony. The layout works. The bones are solid. The rest is up to you. Outside, fresh paint gives the building a tropical look and covered parking means your car won't be baking in the sun when you get in. The neighborhood is quiet -- genuinely quiet, not ''quiet'' realtor-speak. Is it original condition? Yes. Is that a nice way of saying it needs updating? Also yes. But here's the thing: everyone's welcome to make it their own, and at this price, in this location, you can renovate exactly the way you want instead of living with someone else's 2019 flip-job decisions. This is the rare Keys listing where ''priced to move'' actually means something. Original charm, honest bones, and an entry point to island living that doesn't require winning the lottery first. HOA includes wind and flood insurance. Bring your vision (and maybe a paint roller). This one won't stay the cheapest condo in the Keys for long.

109 Stirrup Key Woods Rd Unit 1A1, Marathon
$649,000
1 Beds ⋅ 1 Baths ⋅ 620950 MLS
Opportunity awaits on 82nd Street Ocean in Marathon! Located on the oceanside in the desirable Lida Subdivision, this canal front property offers an exciting opportunity to own a piece of the Florida Keys waterfront lifestyle. Featuring approximately 50 feet of concrete dockage with quick and convenient access to the Atlantic Ocean, this property is ideally positioned for boaters looking to spend more time on the water. Currently improved with a 1 bedroom, 1 bath manufactured home, the real opportunity lies in the waterfront setting and its future potential. Much of 82nd Street has transformed over the years with newer elevated single family homes, making this an attractive option for a buyer looking to enjoy the property today or explore the possibility of creating a custom waterfront residence in the future. With 50 feet of waterfront, existing concrete dockage, generous outdoor space, and close proximity to the open Atlantic, this property offers a combination that is increasingly difficult to replicate in the Florida Keys. Bring your vision and discover the possibilities at 647 82nd Street Ocean in Marathon.

647 82nd Street Ocean St, Marathon
$499,000
3 Beds ⋅ 1 Baths ⋅ 620215 MLS
Welcome to 213 Parrish Dr. on Grassy Key, FL. This 3 bedroom, 1 bath home is ready for you to make it home and it's priced for you bring your own upgrades and personality. All doors and windows have been upgraded to impact resistant, the living area is a generous open floor plan with large island style kitchen, extra large covered back porch, a huge workshop space underneath the house and the yard is fenced. So, bring your tools and your DIY imagination to make this Keys home shine. Call today for more information and to schedule a private viewing.

213 Parrish Dr, Marathon
$295,000
2 Beds ⋅ 1 Baths ⋅ 619860 MLS
Investment Opportunity in the Heart of Marathon. This Half Duplex has Two Bedrooms and One Bathroom. Ample parking in the front yard. Metal roof is approximately 5 years old. Other Half Duplex in the back sold for $290.000. Only appliance included is refrigerator which works but is rusty on the outside. Needs stove, washer and dryer. A/c is older.

250 66th St, Marathon
$500,000
2 Beds ⋅ 2 Baths ⋅ 618269 MLS
'United States Bankruptcy Auction. The Listing Price is for MLS Purposes only. Actual Price will be determined at Auction. The Auction will take place Live via Zoom on Thursday, September 10, 2026 at 11 AM ET. Bidder Registration Packages and Qualifying Deposits are due on or before Tuesday, September 8, 2026 at 5:00 PM ET. https://www.dropbox.com/scl/fo/6zvlde9vkafsi4gyurrge/AFbZzVpEx4s1umkeSKne1Us?rlkey=9ejdq1stq5w01ifjwsdhdrzyh&st=nzppom5j&dl=0 Excellent opportunity to own a two-story duplex in the heart of Marathon. Each unit offers 1 bedroom and 1 bathroom, situated on a generous 10,591 SF lot. Ideal for redevelopment, expansion, or construction of a larger duplex, subject to local approvals. Prime location near popular restaurants, Sombrero Beach, Marathon Sandbar, Florida Keys Marathon Airport, and Curry Hammock State Park. A versatile property with strong upside potential in the Middle Keys.

329 63 Court Gulf Ct, Marathon
$1,400,000
10 Beds ⋅ 5 Baths ⋅ 618740 MLS
THIS UNIQUE WATERFRONT PROPERTY HAS 5 units on the property and all are long term rentals. There are 5 BUILDING RIGHTS that come with this property (please ask Listing Agents for details.

206 12th Street Gulf St, Marathon
$9,500,000
6 Beds ⋅ 11 Baths ⋅ 610643 MLS
Casa Mañana Shores, located in the heart of Marathon, is a developer's dream or a private owner's potential paradise. This secured gulf front estate offers 3.86 acres of land and is surrounded by an eight foot concrete wall with three gated entrances. The property boasts approximately 540 linear feet of Highway frontage and 695 linear feet of water frontage. It offers 218 feet of concrete seawall, including a cut-in protected boat slip. There is even room for a helicopter landing pad to be installed. This unique property is zoned mixed-use commercial and comes with one commercial transferable building right. It is currently a private residence with a separate garage and workshop. The 10,852 square foot mansion is solid concrete construction. It has ten bedrooms, six and a half bathrooms, a sauna, game room and great room. Repairs are needed, and the interior needs significant updating. An attached partially screened enclosure holds an impressive 12 ft deep swimming pool that measures 25 x 50 ft. The garage/workshop is a separate structure with two rooms with a mini split air conditioner. The existing structures could be demolished for those with a vision, leaving you with a 3.86 acre blank canvas in the center of town. Its versatile zoning designation offers multiple possibilities for residential and/or commercial use. Over the years it has previously housed a motel with a marina, a 19-unit trailer park, and a restaurant. This property presents the opportunity to create the ultimate secluded retreat of your dreams!

6500-6600 Overseas Hwy, Marathon