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Mile Marker 50 - 60 homes for Sale in the Florida Keys Real Estate

Total Listings 150
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$650,000
Marathon
S Marathon Shores   - MM: 52.50
2 Bed, 2 Baths, 1,824 SqFt Days Listed: 115
-5.11% ($35,000) 1 Price Change : Last Change 2 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Step into your slice of paradise in Marathon Shores at Mile Marker 52.5. This beautifully remodeled 2 bedroom, 2 bath home sits on a spacious 6,000 sq. ft. lot, offering plenty of room both inside and out. It combines coastal charm with modern upgrades, making it the perfect escape, primary residence, or investment opportunity in the Florida Keys.As you pull into the property, youre greeted by an eye catching brick driveway, spacious enough for multiple cars, a boat trailer, or even an RV. Just beyond, an ocean view adds a refreshing coastal touch to your arrival.Remodeled and reroofed in 2019, this home features durable impact windows, combining style and security. Inside, youll find open, sunlit living areas designed for relaxation and entertaining.The property also includes an enclosed storage area. Ideal for keeping your gear organized or creating a flexible BONUS space.Located within walking distance to restaurants, a pharmacy, local shops, and a gym, this home puts island living and everyday essentials within easy reach.Schedule your private showing today!

$650,000
Marathon
N Marathon Shores   - MM: 51.50
2 Bed, 2 Baths, 954 SqFt Days Listed: 7
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Welcome to your private island oasis, nestled on a lush 15,000 square foot lot in the heart of Marathon. Located in a friendly, walkable neighborhood just steps from the boat ramp on Harbor Drive and minutes from top-notch marinas, dining, shopping, and attractions. Surrounded by hardwood hammock and tropical foliage, this stilted, poured concrete home blends timeless Keys charm with the serenity of nature. Originally built in 1990, the residence features warm wood accents, beautiful natural light, and a well-thought-out layout offering 2 spacious bedrooms and 2 full baths. The inviting kitchen showcases wood cabinetry, classic tile countertops, and stainless steel appliances. Enjoy the convenience of a newer stackable washer and dryer, hot water heater, and a lifestyle designed for indoor-outdoor living. Multiple outdoor living areas include a ground-level screened patio with a relaxing hot tub, an outdoor shower, a covered carport, and an upper-level screened front porch--ideal for sipping your morning coffee or entertaining under the stars. Wander the whimsical garden paths to discover hidden dining nooks, storage sheds, and expansive space for all your toys. Whether its your boat on a trailer, RV, jet skis, or extra vehicles, theres ample parking and room to spare. The downstairs enclosure provides generous storage for tools, bikes, and gear. Perfectly positioned in the Middle Keys, Marathon is only an hour from both Key West and Key Largo. Whether youre searching for a primary home, a peaceful retreat, or an island getaway, this tropical haven offers the ideal balance of privacy, comfort, and island lifestyle.

$699,000
Marathon
J. G. Estates   - MM: 59.50
2 Bed, 2 Baths, 1,496 SqFt Days Listed: 19
Mobile Home - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: 60ft.

Looking for a no-frills Florida Keys escape with unbeatable dockage? Welcome to your ultimate fish camp in Grassy Key! This standalone home with no HOA offers instant bay access and quick ocean access from a 60-foot deep-water dock. A large exterior storage building is perfect for all your gear. Inside, the home is spacious and has been updated with new electrical, a new water heater, brand-new doors and windows, and a newer metal roof (2020). Tucked away in the quieter part of Marathon yet easily accessible off US-1, its the ideal weekend retreat for boaters and anglers.

$699,000
Marathon
N Marathon Shores   - MM: 51.50
3 Bed, 3 Baths, 1,538 SqFt Days Listed: 207
-15.27% ($126,000) 5 Price Changes : Last Change 11 Days Ago
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Nestled in a beautiful Marathon Florida neighborhood, this concrete-built gem offers a peekaboo view of the Gulf of Mexico and an unbeatable location. The freshly painted interior and exterior, coupled with recent remodeling, give this home a modern, move-in-ready appeal. The expansive fenced yard is perfect for outdoor activities and offers ample space for future expansion, such as a pool or home addition. A freestanding concrete storage building in the backyard provides additional utility. Enjoy peace of mind with impact windows and doors, as well as PVC plumbing under the home, eliminating concerns about outdated cast iron pipes. Parking is a breeze with plenty of space for cars, trucks, RVs, or trailers. Boating enthusiasts will love the neighborhoods public boat ramp, just around the corner, offering easy access to world-class fishing and diving in the Gulf of Mexico. Conveniently located near Publix, Winn Dixie, Home Depot, Sombrero Beach, Marathon Airport, and an array of restaurants and shops, this home combines comfort, practicality, and Florida Keys charm. Your slice of paradise awaits!

$699,000
Key Colony
Key Colony Beach Botel   - MM: 53.50
2 Bed, 2 Baths, 938 SqFt Days Listed: 236
-3.59% ($26,000) 2 Price Changes : Last Change 2 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 20ft.

This delightful waterfront 2 bedroom 2 bath half-duplex in Key Colony Beach has great boating access to the Ocean or Gulf for all your water activities. Weekly rentals in place making this a great Investment Property. STR approved for 7 night minimum. Dock can accommodate up to an 18 ft. boat. Withing walking distance to the Beach, Shops and great restaurants (text me and Ill tell you my favorites)!

$699,000
Marathon
Stirrup Key Woods   - MM: 52.50
3 Bed, 3 Baths, 1,152 SqFt Days Listed: 45
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

The best of what tropical life has to offer! Nestled in the hardwood hammocks for ultimate privacy, yet only minutes away from boat ramp, fishing, and shopping in the heart of the Florida Keys. Step into a spacious open area adorned by vaulted, cathedral ceilings. New stainless appliances enhance an updated kitchen with granite countertops. Installed cargo lift will effortlessly get your groceries and furniture to the main level of this stilted home. Elongated, composite rear deck features two impact resistant sliding doors with access from both the main and guest room. Relax after a long day on the water in the spa tub or at the backyard tiki. Plenty of room for a pool on this .25 acre lot. Wrap around driveway. Loaded with extras you need to see for yourself to appreciate!

$699,000
Marathon
N Marathon Shores   - MM: 51.50
3 Bed, 3 Baths, 1,668 SqFt Days Listed: 26
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Bring Your Boat, - This home is the total package- style, space and location. Youll have sun, sand and serenity with vacation vibes all year long. Whether youre looking for a large family home or an excellent second home this is the one. It makes both the perfect spot for family trips and long weekends.As a vacation home it can be used whenever you need a break-and when youre not here, take advantage of the 7-day rental allowance to generate extra income. Its a slice of Shangri-La, right in the middle of everything. Things to Do: Trailer your boat and toys from your property and spend sunny family beach days just minutes away at Sombrero Beach. Family and friends can enjoy the big entertainment room that stretches across the full back of the house - perfect for making memories. Be the hero at the next gathering flippin pancakes in a professional kitchen with gorgeous floors. Outside, the fenced yard is perfect for kids or pets, Lush landscaping, and tons of room to build your dream pool. This place is more than just a home. Its a Florida Keys dream just waiting for you. Schedule your tour today.

$700,000
Marathon
Little Venice   - MM: 53.00
3 Bed, 3 Baths, 1,222 SqFt Days Listed: 249
-7.89% ($60,000) 2 Price Changes : Last Change 131 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

This Cozy and Charming 3 bedroom 2 bath home is located in Little Venice neighborhood of Marathon, one house from Atlantic Ocean. The property is fully updated and renovated. Large Kitchen with GE profile appliances. New mini split A/Cs in 4 rooms. Washer & dryer inside. Fenced yard offering privacy and serenity. Perfect for vacation rentals or just to live in. Seller motivated, easy to show.

$725,000
Key Colony
Key Colony Beach   - MM: 53.50
2 Bed, 2 Baths, 1,080 SqFt Days Listed: 111
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.Concrete

NOW Available half (or full!) duplex on 11th St in KCB. 460 11th also available! Design and create your island escape in the bright, open floor plan that is east facing for sunny mornings and shady afternoons on the great screened porch or 37,5 ft dock. Two roomy bedrooms and 2 full baths. Plenty of room to add a pool. Perfectly located with the boater and angler in mind with a concrete dock, on deep & wide canal. All just five minutes to the open ocean and gulf. Come home to paradise here on Key Colony Beach where you can walk or bike the entire city to the marina, post office, city hall, Sunset Park, 3 restaurants, play golf, pickle ball, tennis, bocce ball, horseshoes & basketball. Here is your blank canvas in paradise on Key Colony Beach.

$725,000
Key Colony
Key Colony Beach   - MM: 53.50
2 Bed, 2 Baths, 1,080 SqFt Days Listed: 111
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.Concrete

FULL Duplex also available. Opportunity Knocks for you to create your Island Home on 11th St in Key Colony Beach. Both half and full duplex now available, 460 & 470, rent one live in the other! Wide open living, dining and kitchen. Big primary bedroom with updated bath. Private guest bedroom and hall bath plus, lots of storage. Screened porch and 37.5 ft canal front with step down dock. Plenty of room to add a pool. ONLY 5 minutes or less to the open ocean and gulf. HUGE carport and lots of parking covered and uncovered to complete your tropical escape.

$725,000
Marathon
Fields Subdivision   - MM: 51.00
3 Bed, 3 Baths, 1,149 SqFt Days Listed: 43
Single Family - Contingent - Waterfront No
Side of Island: Ocean - Dockage: None

Spacious 3 Bedroom, 2 Bath Home on Oversized LotWelcome to this beautifully maintained home, built in 2007, situated on an impressive 9,000 square foot lot. Enjoy the freedom of a huge yard, perfect for entertaining, gardening, or relaxing under the shaded patio. This home offers 3 bedrooms, 2 bathrooms, a 2-car garage, and an extra fenced-in RV parking space. There is plenty of room for pets, water toys, and comfortable outdoor living. Located in a peaceful neighborhood with space to spread out, this home provides comfort, storage, and flexibility for your lifestyle. Dont miss the opportunity to own a slice of paradise with room to grow.

$749,900
Key Colony
Key Colony Beach 1st Addn Amd   - MM: 53.50
3 Bed, 3 Baths, 1,599 SqFt Days Listed: 4
Half Duplex - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Motivated Seller - Optional Dry Boat Slip!Spacious 3 bed, 2 bath half-duplex on an oversized 8,300 sq. ft. corner lot in Key Colony Beach. Open-concept layout with vaulted ceilings, 1-car garage, ample parking, and a private fenced patio. Walk to Sunset Park, Cabana Club, golf, tennis, and more. Optional dry rack at The Boat House marina available (fits up to 32 boat with 10 beam). Great for full-time living, seasonal use, or rental investment. Seller wants it sold--schedule your showing today!

$759,000
Marathon
Atlantic Shores   - MM: 51.50
2 Bed, 2 Baths, 1,446 SqFt Days Listed: 14
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Island living meets everyday convenience in this impeccably maintained ground-level home in the heart of Marathon. This beautiful 2-bedroom, 2-bathroom home sits on a generously sized lot of just over a quarter acre. Theres plenty of room for parking multiple vehicles, a boat trailer, or even an RV. Inside, several bonus spaces provide various options to suit your lifestyle. Enjoy a bright Florida room, a versatile bonus room for guests or hobbies, a dedicated laundry room, and a workshop/storage room. The attached one-car garage includes an additional storage space with shelving. Outdoors, unwind on the front porch nestled in lush native landscaping, or enjoy the privacy of the expansive, fully fenced backyard that wraps around both sides of the home. Theres ample space to add a pool and design your own custom outdoor oasis, beautifully complemented by the existing mature native trees and plants. Located just minutes from shops, dining, local beaches, and world-class fishing, this home offers the perfect blend of island charm and modern practicality. Dont miss your chance to own this Marathon gem!

$767,000
Marathon
Paraiso Estate   - MM: 51.00
3 Bed, 3 Baths, 1,232 SqFt Days Listed: 325
-3.76% ($30,000) 1 Price Change : Last Change 73 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

A delightful residence located in a serene and secure central Marathon neighborhood. This well-kept home is tastefully decorated and features upgraded hurricane impact windows and renovated interiors. The yard landscaping is designed for privacy, adorned with mature palm trees and other tropical plants, offering ample space for a potential pool addition. Additionally, the lower level includes a storage area for tools and recreational equipment. Conveniently situated near Marathon Airport, shopping facilities, and upscale dining establishments

$768,000
Key Colony
Key Colony Beach   - MM: 53.50
2 Bed, 2 Baths, 1,573 SqFt Days Listed: 126
-6.06% ($49,500) 1 Price Change : Last Change 73 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Convenient, spacious and private are many of the words used to describe this elegant ranch style island home. Featuring an attached carport where you can simply drive to your front door! There are no long flights of stairs to climb, offering ease and comfort. This single floor home is elevated above flood and has low transferable insurance. When you enter the home you will be impressed by the spacious floor plan, high vaulted ceilings, and large private screened in porch overlooking the private, tropical fenced in back yard. The impressive interior accommodations include Brazilian cherry hardwood flooring throughout, upgraded LED lighting for energy savings and an updated kitchen with granite counter tops. The exterior of this home boasts a newer roof from 2018 and a new 13.5KW generator offering safety and security. There is also a separate office and laundry room that is accessed from the covered parking area, or back porch. Close and conveniently located near grocery stores, hospital, restaurants, and major shopping outlets. Catch the evening sunset at the Sunset Park. There is also a community golf course, tennis, pickleball and bocce courts located right down the street. The owners have generously offered to pay for one year passes to the private beach, only five minutes walking distance away. This private island sanctuary on Key Colony Beach offers the ideal combination of island living and modern conveniences. Imagine all that awaits you in this friendly island neighborhood! Call now to schedule your very own private showing, this opportunity will not last!

$769,000
Marathon
Little Venice   - MM: 53.00
2 Bed, 2 Baths, 941 SqFt Days Listed: 225
-19.05% ($181,000) 9 Price Changes : Last Change 2 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 52ft.Concrete

TRULY ONE OF THE BEST PRICED CANAL HOMES IN MARATHON! END OF SEASON BUY... Charming Key Lime Time - Your Waterfront Retreat Awaits!Step into the ultimate Keys escape with Key Lime Time, a picturesque Conch house currently a successful vacation rental, now available for you to make your own.Open Concept Living Area: Retro-inspired with a cozy vibe, this space is perfect for relaxing nights in, featuring plenty of seating for all to gather.Two Cozy Bedrooms: Both furnished with queen beds and a shared modern bathroom, offering comfort and tranquility after a day of exploring.Outdoor Screened Porch: Enjoy your morning coffee or unwind in the evening while taking in serene water views - the perfect spot to relax and soak in the Florida Keys lifestyle.Fully Equipped Kitchen: Whether youre cooking up a feast or mixing tropical drinks, this kitchen has everything you need, including a double oven, air fryer, grill, drip and Keurig coffee makers, and a blender.Sunset Fishing Off the Dock: Drop a line from the dock and catch snapper as you watch the stunning sunset paint the sky - a true Keys experience.Deep Water Dockage: A 52-foot dock with synthetic decking and a custom floating dock offers easy access for your boat and water adventures. The open-water Atlantic Ocean is just a few homes away! Located on a turquoise canal in the heart of Little Venice, Marathon, Key Lime Time provides direct access to both the Atlantic and Gulf waters, making it ideal for boating, fishing, and enjoying the tranquility of waterfront living. Whether youre seeking a peaceful getaway or a savvy investment opportunity, this enchanting home has it all.Dont miss your chance to own this perfect piece of paradise! B&BATVAI

$799,000
Marathon
Atlantic Shores   - MM: 51.50
3 Bed, 3 Baths, 1,595 SqFt Days Listed: 68
-5.89% ($50,000) 1 Price Change : Last Change 2 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Charming pool home with ample space for tranquil living and entertaining in the fabulous Florida Keys. This conch style home has open living areas with delightful pool and garden views that enhance its spacious feeling. Step into a sanctuary where paved paths meander through a backyard paradise. Enjoy a BBQ patio w/buffet area, outdoor bar with sink and buffet area, large pergola with adjoining deck and built-in seating that surrounds a fire pit area. Additional areas invite cozy seating and accommodate large gatherings. Nested into the greenery is a picturesque bathhouse. Screened porch and large dining room overlook the turquoise-colored pool which is the centerpiece of this very special home. Mature landscaping provides all-around privacy and is a gardeners delight with native and exotic plants, fruit and herb gardens, and a variety of fragrant and colorful displays. Privacy fence with two gated entries surrounds the back and side yards. Current owners never experienced flooding inside this elevated ground-level home. Well-maintained interiors and upgrades include impact doors and windows, paved entryway with additional side ramp access, AC and ducts, re-roof, spray foam roof insulation, Samsung range and refrigerator, pantry, and pool resurfacing, pump, filler, and deck paint. Features include an extra-large laundry/storage room with washer and dryer, storage shed, large utility yard with 10 work bench, irrigation, trash corral, garden lighting. Paved frontage, circle driveway, ample parking, room for boat and RV with 110/30 hookup. Extra-large third bedroom would also make a great media room. This lovely home is on a street that enjoys a peek-a-boo view of the Atlantic waters with pedestrian access to a small, neighborhood shoreline. Conveniently located near parks, the beach, and many other famous attractions. Dont miss the opportunity to make this paradise cottage home your own!

$799,000
Marathon
Little Venice   - MM: 53.00
2 Bed, 2 Baths, 1,176 SqFt Days Listed: 51
-3.15% ($26,000) 2 Price Changes : Last Change 18 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

Tropical Keys Cottage with Ocean Views and plenty Outdoor Entertaining! Bright and airy, this charming stilt cottage with 2 bedrooms and 2 baths offers ocean views from a spacious south-facing deck -- perfect for entertaining or relaxing. The open-concept living area features vaulted ceilings, an updated kitchen with stainless steel appliances, granite countertops, and abundant cabinetry, ideal for hosting gatherings. Beautiful, tasteful seaside cottage furnishings are negotiable with acceptable offer. Situated on a desirable double corner lot with an in-ground pool in the sought-after Little Venice subdivision of Marathon, this home also offers covered parking, a large workshop/storage area below, and an assumable flood policy for peace of mind. Dont miss out on this inviting tropical oasis!

$847,000
Marathon
Seascape Villas   - MM: 51.00
3 Bed, 3 Baths, 1,200 SqFt Days Listed: 12
-1.17% ($10,000) 1 Price Change : Last Change 2 Days Ago
Single Family - Active - Waterfront No
Side of Island: Ocean - Dockage: None

POOL home in paradise! Mature landscaping. Fenced back yard. Enclosed 720 sq ft downstairs area that opens to pool oasis and lounge area perfect for entertaining.50-amp RV hook-up. Walk-in closets. New 2018: metal roof, hard-wired whole house generator, and A/C condenser unit. New LVP flooring, D/W, W/H, Pool pump and SWG. Attractive, quiet area w/ childrens and dog park. Boat ramp 1 mile away.

$850,000
Key Colony
Key Colony Beach 1st Addn Amd   - MM: 53.50
2 Bed, 2 Baths, 1,185 SqFt Days Listed: 130
-5.45% ($49,000) 2 Price Changes : Last Change 2 Days Ago
Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.

Welcome to The Keys Escape! This fully renovated two bedroom/two bathroom waterfront gem is located on a quiet dead end street on the south side of Key Colony. Impact windows and doors, stainless steel appliances, new floors and a brand new kitchen are just a few of the upgrades done to this property. Enjoy unrestricted access to both the ocean side as well as the gulf side for endless water activities. Property boasts hundreds of 5 star reviews on numerous rental platforms and has a track record of high occupancy with many guests revisiting year after year. Whether youre looking for a personal residence or an investment property- or a little bit of both- this property has it all.

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 06-16-2025.
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