Marathon FL Waterfront Real Estate, Homes, Condos for Sale

Beautifully renovated first-floor studio condo in a prime waterfront boating community. This unit features a full kitchen with granite countertops and breakfast bar, tile flooring in the kitchen and living area, LVP flooring in the sleeping area and fully renovated bathroom (including updated plumbing), plus built-in closet storage. Enjoy the screened-in porch with your morning coffee or evening cocktails. The complex offers deep-water dockage,an assigned boat slip, a private boat ramp, boat trailer parking, vehicle parking, and a heated in-ground community pool. Located on a 200-ft-wide canal with quick ocean and sandbar access. New roof (2023) and new A/C (2022). Seven-night rentals permitted. This is truly a boater's dream!

109 Ave D Unit APT 307, Marathon

$350,000

616563 MLS

Build your dream home on this exceptional 11,600 sq. ft. bayfront lot in the prestigious, gated community of Stirrup Key. Offering open water views, this parcel provides the perfect canvas for a custom residence designed to capture the beauty of the Florida Keys lifestyle. With ample space for your ideal floor plan, this deed-restricted community ensures a neighborhood of high-quality homes while maintaining privacy and exclusivity. Located within the City of Marathon, Stirrup Key combines upscale living with convenient access to world-class fishing, boating, dining, and the best of the Keys. Don't miss this rare opportunity to create your own waterfront paradise in one of Marathon's most desirable enclaves.

313 Stirrup, Marathon

$5,499,997

1 Beds ⋅ 2 Baths ⋅ 617777 MLS

This is a Rare opportunity to purchase a Turn-Key Highly Established Florida Keys Boat Rental Business and Marina located in the heart of Marathon Florida in Coco Plum and just minutes to Key Colony Beach. Opportunity includes a 15,500 sqft Deep Waterfront Lot that has quick unobstructed access to the Atlantic Ocean & Gulf of Mexico with Boat Dockage including 8 Slips, a well-maintained 5150 sqft Elevated Metal Building, which has just been newly painted and has 6 roll up doors including multiple that are 14 Ft High, a Fully Built Out Office Space with 1st Floor Bathroom & Laundry, a Paint Booth, Plenty of interior Storage for Boats, an Upstairs 1400 sqft Legal Dwelling, which has been Renovated and includes 1 Bed, 1 Full Bath, a Living Room & Kitchen & Impact Resistant Windows. Business is known for having one of most impressive Pristine Fleet of Rental Boats in the entire Keys including 18 Twin Engine Boats ranging in size from 25ft to 34FT in length including Many New engines. The maintenance schedule of the boats is impeccable with each Boat receiving Brand New Paint & New Upholstered Interiors with New Canvas on the T-Tops every few years, updated Electronics & they all received upgraded Twin Yamaha Motors over the last few years. There are 14 Aluminum Trailers for the Fleet, which are fully registered and road worthy. Total estimated values of all Business inventory including the Boat Fleet is almost $1.7M. You will not find any other comparable opportunity available in all of the Keys as this business has been successfully operated since 2007, has an estimated 80% of its business from repeat customers. So, if you have been looking for an opportunity to expand your Boat Rental or Marina business in the Florida Keys or if you have been dreaming about moving to the Florida Keys and owning your business, you may have just found the perfect opportunity as day 1 of ownership you are making money. Financials to be provided once NDA is fully executed.

91 Ave A Ave, Marathon

$499,000

1 Beds ⋅ 2 Baths ⋅ 614101 MLS

Price Improvement! This townhouse is enjoying a strong rental season and is attractively priced for an investor or owner-user. Call for details. Breathtaking townhouse with 7 DAY RENTALS ALLOWED, 1 BR 2 Bath on 7-acre waterfront complex located oceanside in Marathon, Fl. This retreat is designed to accommodate 4 people and is steps away from open ocean views, where you can fish off the docks, lounge under one of the many Tiki huts, or cool off in the swimming pool that overlooks the Atlantic. The clubhouse is equipped with a ice machine along with convenient grilling stations to cook your fresh catch. The vacation rental market in Marathon provides flexibility for those interested in generating additional income and allows for seven day rentals. This unit is set up for rentals with the City of Marathon and has a fantastic rental history available for review. Ocean Isles has easy access to the water with a private boat ramp for owners, allowing you to conveniently take your vessel in and out of the water. With protected boating access for owners at the Marina, featuring a new seawall, bulkhead, and docks, you'll have smooth sailing for all your water excursions. The central location of Ocean Isles in Marathon makes it the perfect home base for exploring all the Florida Keys. This townhouse has a Washer and Dryer hookup ready to go or there is a laundry facility available on the property.

10877 Overseas Highway Unit 7, Marathon

$2,550,000

4 Beds ⋅ 4 Baths ⋅ 617355 MLS

HUGE 4 Bed 4 Bath Concrete Home with pool and hot tub, and 75' of dockage on a deep and clear canal. Newer (2022) Custom Concrete home with just under 2100 square feet with 3 Master Suites! Split Floor Plan with 10' ceilings, a huge open space living area with 2 of the Master Suites having direct access to the back porch. 550 sq ft of covered porch upstairs with built in Grill and Sink. Top of the line Jenn-Air appliances and Quartz and Stone Counters throughout. Tile Floors and being sold completely turnkey! Successful Vacation Rental that grossed over $250K in 2024 and 2025. Metal Roof and Impact Sliders, Doors and Windows ensuring the cheapest insurances possible. Foam board exterior concrete block walls. Closed cell spray foam insulation first floor, Tongue and groove exterior ceilings, open cell spray foam insulation in attic. Outside you are greeted by a huge outdoor living area with pool, hot tub and 75' of composite decking/dock. Easy Gulf access for boating, and a great place to kayak and paddleboard in the open bay at the end of the canal. There is a public boat ramp just down the street too! 350' Storage area downstairs with French Doors. Also has 2 Washers and Dryers, making it easier for someone doing vacation rentals. Whether a vacation rental investment property or just the perfect Family Compound, this home checks a lot of boxes. Set up your showing today!

207 E Bruce Ct, Marathon

$3,549,000

10 Beds ⋅ 9 Baths ⋅ 614550 MLS

Live and/or work in this RARE 100' of waterfront re-development opportunity with DEEP WATER DOCKAGE APPROVED! 200' HIGHWAY FRONTAGE! Huge 74,890 SQ FT site with an approved Conditional Use PERMIT for 10 unit and 4 affordable staff group home units. 6 TBR's are available to add on, more are available. No TDR's required for pure commercial use! This MIXED USE ZONING has many commercial-residential possibilities...for example: could go to 10 market rate units on site, or higher density with affordable housing, or boutique HOTEL if you bring transient rights, etc. Includes a RECERTIFIED two-story raised CBS 6,128 SQ FT building that could be used in so many different ways, includes 2,340 SQ FT of extra outdoor porches. This would make an amazing live-work setup, or re-hab the huge building into whatever your imagination could create. BEST LOCATION near Vaca Cut for easy Ocean-Bay access, easy airport access, SHORT-TERM RENTAL FRIENDLY! Contact Peter and Ewa Schwarz for more info and a private viewing of this amazing opportunity to get into THE KEYS LIFESTYLE...live, work, business, family compound...you can do it all right here on the water!

14 125th St, Marathon

$1,499,000

3 Beds ⋅ 3 Baths ⋅ 610221 MLS

LUXURIOUS townhome in desirable INDIGO REEF located in Marathon! One of the most beautiful units in this upper end development with immaculate interior finishes and spectacular OPEN WATER views right out your back door. Take a short walk to your deeded 31' boat slip offering the only BOAT LIFT in the development. Easy bay and Atlantic Ocean access to enjoy amazing fishing, snorkeling and diving or take a boat ride to nearby waterfront restaurants. Fully furnished and spacious 3bd/2.5ba, open living area floor plan. Enjoy breathtaking sunsets from the large patio off of the living room or master bedroom. Indigo Reef offers beautifully manicured grounds with lush tropical landscaping. Assigned covered parking and enclosed a/c spacious storage area. Outstanding amenities include a resort style pool and fitness center. Weekly rentals allowed making this an amazing investment. You will truly love living the FL Keys Lifestyle in Indigo Reef! Following is a list of outstanding features.....12,000 LB custom boat lift with remote and auto stop. PVC dipped piles. 2022 Trane A/C with new composite A/C condenser platform. Foam insulated walk around attic storage, climate controlled with ceiling drop down attic ladder. Second attic storage in carport with ceiling drop down attic ladder. 2022 ADT monitored touch screen alarm system with CCTV camera system and app controlled viewing. App controlled keypad door lock and Wifi hub. App controlled A/C thermostat. Whole home Surge Protector. Sony wall mounted LED smart TVs. Built in Samsung Surround sound System in living room. Sony Surround sound in Master Bedroom. Custom kitchen wall tile, above and below LED cabinet lighting with custom cabinet crown. Matching GE Profile kitchen appliances with glass top oven. Reverse Osmosis drinking water and ice. Ultra high end silver imbedded window treatments. Exotic ceiling fans in all bedrooms and living room. Samsung washer and dryer.

11600 1st Ave Unit 32, 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

$850,000

3 Beds ⋅ 2 Baths ⋅ 618474 MLS

Wake up to breathtaking open water views and embrace the ultimate Florida Keys lifestyle in this oceanfront A-frame located in the private, highly sought-after Lion's Lair community in Marathon. Opportunities like this are rare--where exceptional amenities, privacy, and value come together in one stunning property. This well-built half duplex welcomes you with sweeping ocean views the moment you step inside, complemented by impact windows and doors for peace of mind. Offering 3 bedrooms, 2 baths, plus a versatile lofted office space, the home is designed for both comfort and flexibility. Step outside to your spacious waterfront deck--perfect for morning coffee at sunrise or unwinding with evening cocktails as the ocean breeze rolls in. The true highlight is the unmatched collection of community amenities: Enjoy a private marina with dockage for boats up to 25', a convenient boat ramp, boat trailer storage, a resort-style pool, tiki hut, clubhouse, and a scenic paved walkway leading to a tranquil jetty point--ideal for sunset strolls or simply soaking in the coastal beauty. Positioned in one of the most desirable and private locations within Lion's Lair, this home offers both seclusion and easy access to all amenities. With low association fees of just $1,500 per year and no rentals allowed, you'll enjoy a peaceful, owner-focused environment without the disruption of short-term vacation traffic. This is more than a home--it's a rare opportunity to own a piece of paradise in a premier waterfront setting. Schedule your private showing today.

58950 Overseas Highway Unit 48, Marathon

$1,199,000

3 Beds ⋅ 2 Baths ⋅ 616368 MLS

Attention Investors! Owner financing opportunity with no windstorm insurance required. This beautifully maintained 3-bedroom, 2-bathroom ground-level home is perfectly positioned on a desirable flow-through canal, only several houses away from the open waters of the Gulf of Mexico. Inside, you'll find a spacious layout with an updated kitchen featuring modern finishes and stainless steel appliances-perfect for entertaining or enjoying a quiet night in. Perfect to start renting and earning some extra income. The home also includes a one-car attached garage, offering convenience and additional storage or workshop area. Enjoy the hot tub in the enclosed sunroom. Step outside to your low-maintenance, xeriscaped yard, ideal for easy coastal living. The backyard is your private oasis, complete with a tiki hut-a perfect spot for sunset cocktails, BBQs, or simply unwinding by the water. . Room for a pool. Boating enthusiasts will love the quick access to the Gulf, while peace of mind comes with a highly desirable, assumable flood insurance policy. Plus, possible seller financing makes this home even more attractive for qualified buyers. Whether you're seeking a full-time residence, vacation getaway, or investment property, this coastal retreat offers the best of Florida Keys living including nature preserve across the street which means more privacy and peace. Don't miss your chance to own this waterfront haven - schedule your private tour today!

2411 Grouper Dr, Marathon

$1,150,000

3 Beds ⋅ 2 Baths ⋅ 618875 MLS

Waterfront corner lot with 80ft of canal frontage across from a nature preserve -- a hidden gem in quiet Marathon neighborhood. 3/2, 1,392 sqft, 8,000 sqft lot. Spacious vaulted screened porch on the water. A boater's dream -- 10 min to Vaca Cut and open ocean. Build up for Gulf views. Active rental with verified income. New 2025 HVAC, impact slider, hurricane shutters. Sold furnished and turnkey.

11295 6th Ave, Marathon

$899,000

2 Beds ⋅ 2 Baths ⋅ 618501 MLS

Charming 2 bedroom, 2 bathroom half duplex in Marathon with highly desirable 7-day rental flexibility. Located just four properties from the Atlantic Ocean, this stilted home offers 35 feet of seawall and quick boating access to open water. Interior upgrades include bamboo hardwood flooring, new carpeting in bedrooms, a renovated kitchen with granite countertops, updated bathrooms, and new interior doors, jambs, and trim. Extensive exterior improvements include a foam and coating roof, full electrical rewire to current code, structural column repairs with stucco restoration and exterior paint, two new exterior doors, new front and street-side railings, and replacement of water lines. Elevated construction provides covered parking for multiple vehicles and ample space for trailers, boats, or outdoor gear. Ideal as a primary residence, vacation getaway, or income-producing property in the heart of the Florida Keys near beaches, dining, and local amenities.

668 89th St, Marathon

$3,475,000

5 Beds ⋅ 6 Baths ⋅ 616645 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

$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

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Marathon Waterfront Real Estate

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