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Key Colony Subdivision Properties for Sale in Marathon, FL

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Total Listings 4
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$469,900
Marathon
Key Colony Subdivision - MM: 53.00
1 Bed, 1 Baths, 690 SqFt Days Listed: 290
-6.02% ($30,100) 3 Price Changes : Last Change 2 Days Ago
Single Family - Active - Waterfront No
Side of Island: Bay/Gulf - Dockage: None

Fully remodeled 1/1 CBS home in the Florida Keys. Tile flooring throughout, SS appliances, washer/dryer, impact windows and doors, tankless water heater. Marathon allows rentals as little as 7 days. Fenced backyard with screened porch for privacy and entertainment, BBQ area and plenty of parking in front and on side of property with a pull through front and rear gate to facilitate boat and trailer parking. Close to shopping, restaurants and boat ramps. No Association. Come enjoy the Keys lifestyle!!

$1,100,000
Marathon
Key Colony Subdivision - MM: 53.00
3 Bed, 3 Baths, 1,275 SqFt Days Listed: 133
Single Family - Contingent - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift75ft.Concre

Welcome to 11300-1st Avenue Gulf. This 3 bedroom 2 bathroom single family, ground level, canal front home offers open water access to both the Gulf and the Atlantic Ocean, and a screened in, heat optional, 8x18 in ground pool. Open floor plan, master bedroom has ensuite bathroom, outdoor screened patio dining area next to pool. Conveniently located near great restaurants, post office, shopping. Call for more information and schedule a viewing of this home. Priced to sell!

$1,740,000
Marathon
Key Colony Subdivision - MM: 53.00
5 Bed, 5 Baths, 2,526 SqFt Days Listed: 128
-7.94% ($150,000) 2 Price Changes : Last Change 11 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Concrete

Welcome to Sea Glass Dreams, an exquisite waterfront retreat in Marathon, FL, where luxury, relaxation, and adventure await. AFFORDABLE $958 CURRENT FLOOD INSURANCE! This spacious vacation rental is sold rental-ready and comes with advanced bookings in place, offering instant income potential. With five beautifully designed bedrooms and four bathrooms, it comfortably accommodates up to twelve guests, making it ideal for families, friends, and large gatherings.Inside, the master suite provides a king bed, sofa bed, and spa-like ensuite bathroom, creating a private haven of relaxation. Additional bedrooms offer a mix of king, queen, and twin beds, along with cozy sitting areas for unwinding. The open-concept kitchen, outfitted with a gas range and modern appliances, offers a welcoming space for preparing meals and gathering with loved ones.Outside, youll find a stunning 330-square-foot private pool, perfect for refreshing swims or lounging poolside. A brand-new putting green adds to the fun, with ample space for dining al fresco or relaxing with a drink while taking in the canal views. Boating enthusiasts will appreciate the 115-foot private dock, with space for 2+ boats, complete with water and power, for easy access to the Gulf.The property is a haven for fishing enthusiasts, with a convenient fish cleaning station, bait freezer, and small commercial ice maker near the dock. Inside, a well-equipped game room features ping pong, Pac-Man, basketball, foosball, a putting green, and giant yard games, ensuring entertainment for everyone.Huge lot with room for an RV and several cars.Sea Glass Dreams is a turnkey investment opportunity, set up to welcome guests right away and provide seamless income potential in a dream vacation setting.

$1,748,000
Marathon
Key Colony Subdivision - MM: 53.00
4 Bed, 4 Baths, 2,565 SqFt Days Listed: 131
-7.90% ($150,000) 3 Price Changes : Last Change 19 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Davits77ft.Concrete

Immaculate and stunning, this Marathon home is the epitome of craftsmanship and beauty, maintained meticulously by full-time owners with an eye for detail. Nestled in lush landscaping, this 3-story residence offers complete privacy and curb appeal with a paver driveway and a flawless exterior. Step onto the 77 ft. concrete dock, complete with a step-down for easy boat loading and 2 sets of davits offer immediate Gulf access along with quick ocean access through nearby Vaca Cut. The homes hurricane-impact windows & doors provide security, while spacious interiors with impeccable finishes highlight the main level, featuring a modern granite kitchen, over-sized laundry room/office, and a half bath, all leading to a covered porch overlooking palms and water. Upstairs, find 3 bedrooms, including a master suite with a walk-in closet, ensuite bath, and a private balcony with tropical views. At ground level, more elevated legal living space complete with its own patio, bedroom and bathroom with exterior access. Tucked away in a quiet and beloved Gulfside neighborhood, this pristine, turnkey property awaits!

More Info
Most Recent Sales - (17) - Key Colony Sub as of 2025-03-14
Sale Date Address Sale Price $/SF List Price Sq. Ft. Type Bd/Ba Days Listed
01-31-2025 11295 3rd Avenue Gulf $1,315,000 $682 $1,490,000 1,926 Single Family 3/2 183
01-29-2025 1875 109th Street Gulf A $465,000 $673 $475,000 690 Half Duplex 2/1 352
12-05-2024 10976 3Rd Avenue Gulf $1,210,000 $1,050 $1,400,000 1,152 Single Family 3/2 136
11-19-2024 1875 109Th Street Gulf B $500,000 $724 $520,000 690 Half Duplex 2/1 281
10-17-2024 130 109Th Street Gulf $780,000 $572 $799,000 1,362 Single Family 3/2 83
05-16-2024 11260 5Th Avenue Gulf $953,000 $440 $936,000 2,164 Single Family 4/3 35
05-06-2024 10703-05 2nd Avenue Gulf $450,000 $491 $450,000 916 Duplex 2/2 52
04-26-2024 10824 1st Ave Gulf $500,000 $638 $549,900 783 Single Family 2/2 106
03-25-2024 11260 6Th Avenue Gulf $1,620,000 $700 $1,695,000 2,312 Single Family 3/3 413
02-28-2024 11252 5th Ave Gulf $2,350,000 $1,309 $2,399,000 1,795 Single Family 4/3 45
02-23-2024 10749 3rd Avenue Gulf $699,000 $466 $699,000 1,500 Duplex 4/2 33
06-28-2023 11200 1St Avenue Gulf $1,599,000 $1,270 $1,599,000 1,259 Single Family 3/3 111
04-18-2023 10701 3Rd Avenue Gulf $620,000 $362 $665,000 1,710 Duplex 4/2 63
03-31-2023 10889 3RD Avenue Gulf $525,000 $350 $565,000 1,500 Duplex 4/2 30
03-31-2023 1873 109th Street Gulf $600,000 $413 $630,000 1,450 Single Family 2/2 25
03-24-2023 2002 109th Street Gulf $1,818,000 $923 $1,999,000 1,968 Single Family 3/2 79
03-23-2023 11240 3Rd $1,520,000 $917 $1,626,000 1,656 Single Family 3/3 65
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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 03-14-2025.
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