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Mile Marker 40 - 50 - Homes For Sale in the Florida Keys

Total Listings 67
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$325,000
Marathon
Parrish Subdivision   - MM: 48.00
2 Bed, 2 Baths, 964 SqFt Days Listed: 150
-6.88% ($24,000) 1 Price Change : Last Change 23 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Fantastic Investor Opportunity or Employee Housing in this conch house in Marathon in need of a little TLC. Fenced in yard with room to park multiple vehicles. Home has 2 front entrances and a split floorplan, giving the home some unique possibilities. Waterview possible if a new stilted home is built on the lot in the future. Great opportunity for the right buyer, set up your showing today!

$510,000
Marathon
Knights Key Village   - MM: 47.00
3 Bed, 3 Baths, 1,215 SqFt Days Listed: 161
-10.53% ($60,000) 3 Price Changes : Last Change 2 Days Ago
Half Duplex - Active - Waterfront No
Side of Island: Ocean - Dockage: None

This 3 bedroom 2 bath stilt home with ocean views and views of the seven mile bridge. This 1/2 duplex is only attached by the deck there are no adjoining walls.

$649,000
Marathon
Sombrero Subdivision   - MM: 49.50
3 Bed, 3 Baths, 1,451 SqFt Days Listed: 172
-3.42% ($23,000) 1 Price Change : Last Change 112 Days Ago
Single Family - Contingent - Waterfront No
Side of Island: Ocean - Dockage: None

**Below Appraised Value** This impeccably remodeled 3/2 home is waiting for you in the Florida Keys! Solid concrete block construction with impact windows & doors. 1-car garage. Gourmet kitchen featuring custom cabinetry, farm sink, quartz countertops, and a pot filler above the induction range. All the energy saving conveniences of LED lighting with dimmers, surround sound, tankless water heater, and top of the line washer & dryer. Thoughtfully designed with an en-suite bedroom that could become separate living quarters with its own laundry hook-up. Beautiful garden area for entertaining outdoors. Plenty of parking with space for your boat and trailer. Boat Ramp less than 1/2 mile away! Come and see this delightful home convenient to all the exciting adventures that Marathon offers. No HOA! Owner Agent.

$739,000
Marathon
Sombrero Subdivision   - MM: 49.50
3 Bed, 3 Baths, 1,000 SqFt Days Listed: 147
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 39ft.Concrete

Welcome to your dream waterfront retreat at 330 25th St in Marathon, Florida. This fully furnished, turnkey home features three bedrooms and two bathrooms, making it the perfect getaway for families or groups. With an impressive 39 feet of concrete seawall, this property is a haven for boating enthusiasts and water lovers alike. The east-facing orientation ensures cool, shaded evenings, ideal for unwinding after a day spent on the water. Elevated on sturdy concrete columns. Inside, youll find modern amenities, including impact windows, beautiful granite countertops, and elegant tile flooring throughout. The outdoor space is equally inviting, with a fenced yard that includes a paved deck and a side yard entertainment area, perfect for gatherings and outdoor fun. Situated on a deep-water canal, youre just minutes away from the iconic 7 Mile Bridge and Sombrero Beach, making this location truly exceptional. Convenience is key, with power and water readily available at the dock, along with a fish cleaning station for your fresh catches. Currently enrolled in a vacation rental program, this property offers excellent investment potential while serving as your personal paradise. Dont miss the opportunity to own this easy-to-maintain home in the Florida Keys. Schedule your private showing today and start living the lifestyle youve always dreamed of!

$744,000
Marathon
Flamingo Island   - MM: 49.50
3 Bed, 3 Baths, 1,120 SqFt Days Listed: 106
-10.30% ($85,400) 1 Price Change : Last Change 2 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Welcome to 598 Copa D Oro, a charming retreat located in the highly sought-after neighborhood of Flamingo Island in Marathon. 3 bedroom 2 bathroom home with fantastic bonus room buyers must see to appreciate. Perfectly situated near Sombrero Beach, offering easy access to restaurants, entertainment, and the turquoise blue waters of the Florida Keys. The open floor plan creates a welcoming space for gatherings, and the private balcony provides a peaceful spot to enjoy the tropical breezes.Set on a spacious lot, this property offers ample room for boats, trailers, storage, or parking, making it ideal for boating enthusiasts. With quick access to open water, youll enjoy some of the best fishing and water activities the Keys have to offer. Whether youre looking for a permanent residence, a vacation home, or an investment opportunity, this property captures the essence of island living. Dont miss your chance to make it yours!

$749,000
Marathon
Harbor Isle   - MM: 48.50
3 Bed, 3 Baths, 1,260 SqFt Days Listed: 160
-7.42% ($60,000) 2 Price Changes : Last Change 105 Days Ago
Single Family - Contingent - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift50ft.

Welcome to your serene canal front retreat. This charming property features an open concept design with an airy, open floor plan that seamlessly connects the living, dining and kitchen areas, perfect for family gathering sand entertaining. Equipped with updated appliances, the kitchen offers ample counter space and storage, catering to both casual meals and gourmet cooking. Retreat to the main bedroom with a spa like ensuite bathroom plus 2 cozy guests quarters. Expansive windows allow for natural light and views of the canal and boaters going bye. A spacious screened patio provides an ideal spot for morning coffee or afternoon toddy! This home features a concrete dock for boating, fishing or launching your kayak which also includes a 10,000 lb boat lift. Plenty of outdoor space for grilling and a shed for storage or crafting. This a perfect home for you or a vacation home, just bring your toothbrush and fishing pole!

$774,900
Marathon
Sombrero Subdivision   - MM: 49.50
3 Bed, 3 Baths, 1,000 SqFt Days Listed: 161
-3.02% ($24,100) 1 Price Change : Last Change 96 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.

Located in the heart of Marathon... this cute & quaint CANAL FRONT, 3 bed/ 2 bath SINGLE family home is perfectly situated close to BOOT KEY HARBOR & is close to ALL the best shopping & restaurants in town. With approx. ~37.7 Ft of concrete seawall enjoy fishing and outdoor water activities with ease from your Move-in ready waterfront cottage! This property is unique, easy to maintain and will make the PERFECT second home or rental/investment property. The OPEN concept interior has modern stainless steel appliances, granite counter tops, a NEW METAL ROOF (2024), tented 11/24 and a newer AC (2021) with an on-demand water heater. Plenty of room to store items on the side of home within a private fenced-in area. You will love... relaxing in the shade after a long successful day on the water and preparing your dinner from your fish cleaning station. Enjoy the sea breezes that surround you...from your expansive porch complete with composite Trex decking . Quick and easy boating access to the OCEAN side or Gulf from the 7 Mile bridge. Property is ready for you to move in and to become your NEW ISLAND ESCAPE! Call today to schedule a showing~this 3 bedroom home is priced to sell & weekly rentals are allowed, this WILL NOT last long!!!

$799,000
Marathon
Sombrero Anglers C N   - MM: 49.50
2 Bed, 2 Baths, 950 SqFt Days Listed: 61
-8.69% ($76,000) 1 Price Change : Last Change 16 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift44ft.

Located just off Sombrero Beach Road, this elevated 2 bedroom, 1 bathroom half duplex offers the perfect blend of coastal charm, privacy, and convenience. Situated in a quiet, low-traffic neighborhood, it provides direct access to both the Ocean and Gulf via Sisters Creek. Ideal for boating and water activities.Relax on the spacious balcony, offering beautiful views of the tranquil waterway, with convenient access to the canal just steps away. This prime location, positioned near the lagoon, provides the perfect setting for water activities such as kayaking, paddleboarding, and more. Just 1.3 miles from Sombrero Beach, youre close to all the fun yet far enough to enjoy peace and quiet. Plus, with nearby walkways and bike paths along Sombrero Beach Road, youll enjoy the convenience of morning or afternoon strolls and bike rides.For boaters, the property features 44 feet of dockage with a 15,000 lb boat lift and concrete dock, ready for your next adventure. After a day on the water, unwind in your signature swim spa, the perfect spot to relax. With plenty of parking for vehicles, boat trailers, or an RV, space will never be an issue. The home also boasts a metal roof installed in 2017, offering added hurricane protection and potential insurance credits. Additional features include 475 sq ft of enclosed storage, a metal shed, and a carport with off-street parking.Whether youre looking for a full time residence, a vacation getaway, or an investment property, this waterfront gem offers exceptional value and endless possibilities.

$799,900
Marathon
Crane Hammock   - MM: 49.50
3 Bed, 3 Baths, 1,586 SqFt Days Listed: 33
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: Dock Privileges,Boat

Remodeled ground level CBS Conch house nestled on a corner lot near the top of Crane Hammock with an elevation of approximately 9 feet. Open ceiling with large beams typical of original Keys structures (i.e.Keys Fisheries). Modern kitchen with Shaker cabinets and blue bahia 3CM granite countertops with 18 backsplash. 12 4 x 21 2 living room adjoins kitchen in open concept layout. Rustic barn door opens to 3rd bedroom/office. Large master bedroom (12 4 x 14 2) with an ensuite has its own washer/dryer. All bedrooms have a door leading to the backyard. Hurricane windows and doors in the upper level and ensuite. Opposite the kitchen there is one step (11) (currently has a ramp) leading down to a 12 10 x 18 2 sunroom with a storage cabinet. This leads to the mudroom. Which has another washer/dryer and storage cabinets. Also included is a large Sports Afield gun safe that is bolted into the concrete foundation. Safe is rated fire and water resistant. See manufacturer for specific details. There is a large backyard with a sidewalk from the carport to a ramp leading to the 36 back door. Has an in ground gunite salt water pool with pool Pilot and an easy walk in ramp. Home is in a sought after neighborhood with shady winding roads through a lush tropical forest with no dead ends! Perfect for biking or walking without having to get on the overseas highway. Multiple trees, palms and flowering shrubs; including massive Jamaica dogwoods and Gumbo Limbos. The property backs up to the 60 acre Crane Hammock nature preserve and is on a corner lot with only one neighbor. Home has a new A/C system in 2023, new pool heater in 2023, new pool filter in 2024. New washer/dryer in ,mudroom (2024). Deck by pool has a 10 x 16 workshop shed with electricity and A/C. Shed has an overhead storage loft with a chain hoist to handle heavy items. Included are table saw, drill press, bench grinder, large vise and many tools.

$799,900
Marathon
Marameade Amd   - MM: 49.50
2 Bed, 2 Baths, 1,053 SqFt Days Listed: 28
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 32ft.

Extraordinary in every way! Casa Kokomo is your ticket to chic island living. Enjoy and/or make money from Day One! Exquisitely furnished and updated and super comfortable 2 bedroom / 1 Bath waterfront half-duplex that is the perfect getaway and/or investment property that is ideal for pampered vacation rentals. 7-day rentals permitted. Gated and serenely private. Exceptional and fresh updates throughout the entire home. Newer central and ductless A/Cs, new stainless kitchen with Gas stove, freshly updated bathroom, updated water heater, metal roof. Light bright and relaxing Sunroom overlooks the canal, relaxing hot tub and alfresco dining. 32-foot concrete dock with easy access to open water. Great parking. Close proximity to Sombrero Beach. Major shops, Theater, restaurants, and Boutiques are less that 1/4 mile away. World-class fishing, diving, and sandbar hopping are just a quick boat ride away. Phenomenal rental potential. Sellers have started short term rentals this year with exceptional results. Opportunity is Knocking ... Loudly!!

$825,000
Marathon
Harbor Isle   - MM: 48.50
3 Bed, 3 Baths, 1,279 SqFt Days Listed: 113
Mobile Home - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift60ft.Concre

This home is in an excellent location on a deep water canal and Boot Key Harbor protection. Easy Boat access to Atlantic & Gulf. Walk or Bike to restaurants, beach, grocery stores and Home Depot, Boat ready with 15,000 lb. Lift on a 60 concrete seawall. This fully furnished 2 Bedroom 2 Bath home is the epitome of comfort & convenience, offering a wide range of features that cater to a relaxing and easy going lifestyle. A 3rd bedroom was converted to open social space with a Murphy Bed for additional Guest. The Home is incased in durable vinyl siding and features impact windows, providing a safe haven from the elements. The Interior has been thoughtfully upgraded,, featuring ceramic tile flooring. An open concept living/dining/kitchen that fosters a sense of unity and togetherness. The Kitchen is a Chefs delight with sleek Granit countertops, wine cooler, ample cabinet space, double pantry & stainless steel Appliances. Facing the Canal there is wall to wall Bay Windows providing full water view & sunlight. A Common Bathroom boasting a double vanity, 2 Large Bedrooms with a King bed and Bathroom in Master Suite and a Queen bed & Futon in 2nd Bedroom. Each room if fitted with window treatments & Blackouts for added privacy and comfort. Ample Closet space ensuring all your storage needs & a Washer/Dryer. For outdoor lovers the screened porch is a perfect retreat. It comes with comfortable fans for those warmer days & a built in Hot Tub for ultimate relaxation. A 2nd covered porch facing the canal with views of Boot Key Harbor & partial Sunsets. Property boast a fish cleaning station, water & electric on the Dock. An outdoor shower adds a touch of luxury to your beach days. The storage/workshop offers ample space for your tools & projects. Partially fenced, features trailer storage & excellent parking options. If you are looking for a vacation home, permanent residence or Rental Income 835 25th St. offers an affordable waterfront lifestyle thats hard to beat.

$849,000
Marathon
Harbor Isle   - MM: 48.50
2 Bed, 2 Baths, 1,152 SqFt Days Listed: 15
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 50ft.

Location! Location! Location! Ocean side deep water home with an impressive 50ft of canal frontage! Spectacular waterfront home with views of Boot Key Harbor from your private deck! Rare deep-water canal with ocean access just minutes from your private dock! Enjoy this Renovated home with 2 beds and 2 full baths! Large outdoor entertaining space with kitchen and covered parking! whether youre looking for your own private deep water home or a 7-day vacation rental this is one that you must see!

$949,000
Marathon
Crane Hammock   - MM: 49.50
3 Bed, 3 Baths, 1,716 SqFt Days Listed: 104
-5.01% ($50,000) 1 Price Change : Last Change 27 Days Ago
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Discover your slice of paradise with this spacious 3-bedroom, 2-bathroom home, nestled in a serene and private setting. Surrounded by lush tropical foliage and backing up to the Crane Hammock Nature Preserve, this property offers unparalleled privacy with no rear neighbors.Built in 2012 and elevated on columns, this 1,700+ square-foot home combines modern construction with an open and airy design. The heart of the home is the large screened-in back porch, perfect for enjoying the peaceful views of your fully fenced 7,700-square-foot lot. The expansive yard provides plenty of space for pets, toys, or a custom outdoor entertainment area beneath the house. There is plenty of room for a large pool!The home also includes a generous storage area/workshop on the ground level, ideal for all your tools and gear. Located in one of Marathons most unique neighborhoods, youll enjoy winding streets shaded by dense foliage, setting it apart from other areas in the Keys.Just steps away, the community boat ramp and waterfront park give residents exclusive access to the Gulf of Mexico, perfect for boating, kayaking, or simply soaking in the sunset. Situated in the heart of Marathon FL, youre close to shopping, dining, and local attractions, blending convenience with a tranquil lifestyle.This property also offers short-term rental potential, allowing stays as brief as seven nights, making it an excellent investment opportunity.Whether youre seeking a private retreat, a vacation rental, or a permanent residence, this tropical haven delivers the best of the Keys. Dont miss out on this unique gem!

$975,000
Marathon
Flamingo Island   - MM: 49.50
4 Bed, 4 Baths, 2,532 SqFt Days Listed: 201
-18.75% ($225,000) 4 Price Changes : Last Change 2 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

This move-in ready 2 story home is located in one of Marathons best neighborhoods. With over 2500 sq. feet, this expansive 4 bedroom 3 bath home is perfect for a large family. The main living area, kitchen, primary suite and 2nd bedroom and guest bath are located upstairs with an interior staircase that leads you downstairs to your den, 2 more bedrooms, bathroom and laundry room. Oversized fenced in yard is perfect for entertaining with lots of room for a pool.New roof, appliances, ADT security system and much more.

$999,000
Marathon
Flamingo Island   - MM: 49.50
2 Bed, 2 Baths, 1,200 SqFt Days Listed: 28
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Charming Flamingo Island Pool Home - A Perfect Keys Retreat!Welcome to 112 Saguaro Ln, Marathon, FL 33050, a beautifully maintained 2-bedroom, 2-bathroom pool home nestled in the desirable Flamingo Island neighborhood. Just steps from the Florida Keys Country Club, this property offers a peaceful island lifestyle with modern updates and exceptional outdoor living spaces.Inside, the spacious open-concept living area is bathed in natural light, featuring a well-appointed kitchen with quartz countertops, a large center island with stylish lighting, and ample seating--perfect for entertaining. Stainless steel appliances, a gas range, custom tropical tile backsplash, bright white cabinetry, and recessed lighting create a sleek and inviting culinary space. The dining area includes a cozy banquette, ideal for gathering with family and friends.The primary suite is a true retreat, offering a private balcony with views of the lush backyard and sparkling 35-foot heated pool. It also features a large closet, crown molding, and an updated en-suite bath. The guest bedroom is equally spacious, with plenty of storage and access to the balcony overlooking the pool. A second updated bathroom, additional storage closets, and a front-load washer and dryer complete this thoughtfully designed home.Outside, the oversized lot is a tropical oasis, enclosed by a vinyl privacy fence and surrounded by mature landscaping. The heated pool with a waterfall feature is the perfect place to relax, while the underground sprinklers, free standing grill and LED lighting enhance the outdoor space. The 4-car garage offers abundant storage and direct access to both the garage and pool area. A large driveway provides plenty of room for parking all your vehicles and more.This fully furnished, move-in ready home is the perfect blend of elegance, and Keys charm. Whether youre looking for a full-time residence, vacation getaway, or rental investment, this home is an exceptional find!

$1,125,000
Marathon
Sombrero Anglers C N   - MM: 49.50
3 Bed, 3 Baths, 1,600 SqFt Days Listed: 15
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 30ft.

PARADISE FOUND, the perfect blend of COASTAL elegance and MODERN convenience in this beautifully FURNISHED 3-bedroom, 2.5-bath HALF DUPLEX HOME located in the highly sought-after SOMBRERO Beach neighborhood, in the heart of Marathon. Just moments from sand of renowned Sombrero Beach, this home offers breathtaking LAKE and CANAL views from multiple covered porches and boating access to the ocean or Boot Key Harbor, where you can reach multiple waterfront restaurants by boat. Designed for both style and durability, the home features IMPACT-RESISTANT windows and doors, a METAL roof, and Hardie board siding, along with WOOD plank porcelain TILE flooring throughout, stainless steel appliances, and a stunning White Sile stone counter top, custom blue shell chandelier and sea glass backsplash. The first floor boasts an open-concept living space, while the second floor offers a split master and guest wing for added privacy. An enclosed garage with door and enjoyment / recreation room provide ample space for storage and entertainment, with plenty of room to park multiple vehicles. Outside, enjoy a wooden dock, low-maintenance landscaping, and a QUIET end-of-street location, perfect for relaxing and enjoying sunset margaritas on the back porch! Located in a golf cart and bike-friendly area, this home offers easy access to Marathons best shops, restaurants, and grocery stores. Turn-key condition and meticulously maintained by the owners, this is an incredible opportunity to own a slice of the Keys lifestyle in one of Marathons most desirable neighborhoods and streets. Dont miss out--schedule a showing today before someone else makes this their perfect ISLAND ESCAPE!

$1,150,000
Marathon
Sombrero Anglers Club N   - MM: 49.50
3 Bed, 3 Baths, 1,056 SqFt Days Listed: 59
-2.13% ($25,000) 1 Price Change : Last Change 21 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 50ft.

Now is your opportunity to own a canalfront, fully furnished, turn key property located in the heart of Marathon near Sombrero Beach! This elevated single family home is located on a wide canal and features a 50 foot boat dock with 4 foot control depth, offering quick ocean access! Plenty of room to park all of your vehicles, toys and boat trailer. This three bedroom, two bath home offers an expansive deck overlooking the canal, ideal for nature watching or entertaining guests!In addition to being completely furnished and tropically decorated, this home also boasts a newer AC unit along with impact resistant side windows/sliders; providing additional comfort and protection. Whether youre looking for a place to call your island home, or an investment property. This home offers it all, make it your private sanctuary or take over the existing successful weekly vacation rental business Kickin Back Reel Time. This is a proven vacation rental with future bookings already in place.Your nautical oasis awaits, call now to schedule your private showing! View Matterport 360 tour.

$1,230,000
Marathon
Sombrero Subdivision   - MM: 49.50
3 Bed, 3 Baths, 1,740 SqFt Days Listed: 210
-0.81% ($10,000) 1 Price Change : Last Change 73 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Fabulous 3-Bedroom, 2-Bath Home in Sombrero Beach!Built in 2018, this spacious 1,740 sq. ft. home offers a modern split floor plan with generously sized rooms and a large back deck--perfect for entertaining or relaxation. Just a 5-minute walk from the beautiful Sombrero Beach. This property features a metal roof and impact windows and doors that comply with the latest building codes. The home comes with permits and plans for a pool, offering the perfect opportunity to create your own backyard oasis. Additionally, a rental license is included, making it an ideal investment property.

$1,435,000
Marathon
Sombrero Subdivision   - MM: 49.50
4 Bed, 4 Baths, 2,466 SqFt Days Listed: 73
-9.58% ($152,000) 1 Price Change : Last Change 21 Days Ago
Single Family - Contingent - Waterfront Yes
Side of Island: Ocean - Dockage: Concrete

Welcome 814 30th Street Ocean in Marathon, Florida. With custom authentic nautical detailing this ground level waterfront home is a must see. The home offer a spacious open floor plan living area with a total of 4 bedrooms and 3 full bathrooms. The layout is set up with 2 bedrooms and 2 full bathrooms on the primary living side of the home and and a full attached 2 bedroom, 1 full bath guest suite allowing for flexibility of utilization of the living spaces. With 200 +/- linear feet of seawall waterfrontage and a cut-in boat slip, there can be ample room to dock all of your boats and toys. The truly unique features of this home are in the interior detailing with custom woodworking that incorporates antique nautical accents and features and an elaborate wall mural complete with pirates burying their booty. You will feel as if you are living in an actual wooden ship. This is a must see, one-of-a-kind property. Call today for more information and schedule and private viewing.

$1,450,000
Marathon
Sombrero Anglers C N   - MM: 49.50
4 Bed, 4 Baths, 1,888 SqFt Days Listed: 54
Townhouse - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 35ft.

LOCATION! LOCATION! LOCATION! Imagine youre within walking distance to famous Sombrero Beach! Theres shopping & dining close by! With this tastefully furnished 4/3 private villa youll have that, and also an oversized swimming pool, oversized dock and quick 15 minute boat ride to the Atlantic Ocean! This tropical paradise could serve as a long term rental, vacation rental or your very own island retreat! Spacious bedrooms assure all your guests will be comfortable. Expansive kitchen gives you plenty of room to prepare your fresh catch after a day of fishing!

The information being provided by the Florida Keys MLS is exclusively for consumers' personal, non-commercial use, and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed accurate by the MLS. Data last updated on 03-31-2025.
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