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Key Colony Beach 1st Addn Amd Plat Properties for Sale in Key Colony, FL

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Total Listings 17
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$639,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,144 SqFt Days Listed: 132
-5.33% ($36,000) 3 Price Changes : Last Change 19 Days Ago
Half Duplex - Contingent - Waterfront No
Side of Island: Ocean - Dockage: None

Your dream home awaits in the heart of beloved Key Colony Beach! Ideal for primary or secondary residence. This East-facing, CBS-constructed half duplex was built in 2020 to the latest building codes and has been immaculately maintained ever since. With no stairs to climb, enjoy peace of mind with elevation above flood, impact windows and doors, durable metal roof, tankless hot water heater, stunning tile flooring, and affordable yearly insurances. Step inside to an open-concept living and dining area that flows effortlessly into the expansive modern kitchen--a chefs delight. Featuring sleek quartz countertops, stainless steel appliances, and driftwood-style cabinetry, this space is both stylish and functional, offering ample cabinet space to keep everything organized. Custom closet systems in all closets, and window shades on all windows. The fenced-in backyard is a lush private oasis, complete with St. Augustine grass, irrigation system, and tropical landscaping that enhances the island vibe. Room for a pool! Enjoy your morning coffee while watching the sunrise on the back porch. A side yard with a storage shed, gravel, and stepping stones adds extra convenience and low maintenance. With a freshly painted interior and exterior, pavered driveway, and assumable flood policy, begin island life right away. Key Colony Beach features a world of luxury amenities - 9-hole par 3 golf course, tennis/pickleball courts and dog park within walking distance plus restaurants, DKs Beach Boutique, Cabana Club, and Sunset Park. Farmers Market during season. Dont miss this opportunity to own a turnkey oasis in one of the most sought-after communities in the Florida Keys!

$699,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 885 SqFt Days Listed: 94
-3.59% ($26,000) 1 Price Change : Last Change 2 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Concrete

Waterfront Living in Key Colony Beach! A charming 2-bedroom, 2-bathroom half duplex situated on a wide canal in the heart of Key Colony Beach. This boaters paradise offers 37.5 feet of dockage, providing effortless access to both the Ocean and the Gulf via nearby Vaca Cut. Enjoy canal views from the large screened-in porch, perfect for relaxing or entertaining after a day on the water. Inside, this home offers a comfortable and functional layout, making it ideal for full-time living, a vacation retreat, or an investment rental. Located in the highly sought-after Key Colony Beach, youll have access to playgrounds, scenic walking paths, a par-3 golf course, Sunset Park, and popular restaurants--all just a short stroll away. Whether youre an avid boater, golfer, or simply love the laid-back island lifestyle, this home is a perfect fit. Dont miss this incredible opportunity to own a waterfront gem in the Florida Keys!

$749,900
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
3 Bed, 3 Baths, 1,599 SqFt Days Listed: 2
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!

$850,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,185 SqFt Days Listed: 128
-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.

$853,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,020 SqFt Days Listed: 87
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 33ft.Concrete

Great weekend getaway, retirement home or vacation rental on 9th Street in Key Colony, the GEM of the Florida Keys. Lovingly maintained, updated and enjoyed by same family for over 40 years! Upon walking in the front door your eyes will be immediately drawn to the views of the wide, deep canal. This open living room, dining room and kitchen flow easily onto the spacious, covered porch where your tropical lifestyle has been extended. Dock your boat &/or jet skis at this 33 ft dock, where you can easily launch your Kayak or Paddleboard, or throw a line over and catch fish right off your step-down dock. The brief cruise to Vaca Cut is less than 10 minutes and you will arrive at the open ocean and open gulf. Since both 271 and 261 are now available, buy one for you and rent the other for your Vacation Rental Investment Property. KCB has biking and walking paths throughout the 15 street City, marina, 3 restaurants, Golf, Pickle Ball, Tennis, Basketball, Bocce Ball, Horseshoes, Playgrounds, Post Office, Police Dept and Sunset Park. Come see what living in Paradise can be for you, your friends and family! It is time to make tropical memories here, in paradise.

$890,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,020 SqFt Days Listed: 41
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 42ft.Concrete

Full or Each Half Duplex - Now Available!If you need a bigger dock than most 1/2 duplexes in Key Colony Beach, here it is.... This 42 ft Dock with concrete seawall and wooden step down dock s ready for you and your BIG Boat! Plus, an exceptionally maintained family owned, by same family for over 40 years. The pride and care given to this Keys residence is obvious upon entering the open concept kitchen, dining and living room. The big impact slider and large living room window create a bright open space with amazing views of the 100 ft wide canal. These refreshing water views will lure you out onto the covered porch for entertaining, dining and relaxing. Now you and your family are invited to create wonderful memories too! Anglers, boaters, divers and nature lovers will appreciate the brief 5 minute cruise to the open ocean and open gulf. Ideally located to several airports: only 10-15 minutes to Marathon Intl, just over an hour to Key West Intl, 2 hrs to Miami Intl Airport or 2.5 hrs to FLL Intl. Come home to Key Colony Beach, the GEM of the FL Keys. Here you can bike on the entire, 15 Street City, enjoy Pickle Ball, Golf, Marina, 3 Playgrounds, Bocce Ball, Horseshoes, Post Office, 3 Restaurants and Sunset Park. Paradise is waiting for you here....this island life CAN be YOURS!

$925,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,318 SqFt Days Listed: 33
Half Duplex - Contingent - Waterfront Yes
Side of Island: Ocean - Dockage: n/a

Enjoy the best of coastal living in beautiful Key Colony Beach! Lovely renovated two bedroom and two bath canal front home. Enjoy the bright open floor plan with views of the canal. Updated kitchen with tranquil colors throughout the home. Call today for your private tour!

$950,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 908 SqFt Days Listed: 47
-1.04% ($10,000) 1 Price Change : Last Change 6 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.Concrete

Are you looking for a home in the heart of the Florida Keys? This one could be YOURS! Offered at $950,000! This immaculate two bedroom, two bath half duplex in Key Colony Beach has it all! 37 1/2 ft. Dock, Tranquil salt water pool, tiki hut, screened porch, putting green, and plenty of parking with paver driveway! The home has been updated with a new roof 2023, new air 2022, appliances, washer, dryer, pool pump and heater! Quick access to the ocean and Gulf. Call today for your private tour of this beauty!Insurance as follows:Flood $5,711.00Wind $2,395.31Citizens $7,234

$975,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 960 SqFt Days Listed: 66
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.

Paradise found! You will fall in love with everything this ABOVE FLOOD TURN-KEY waterfront half duplex has to offer....situated in a prime location in renowned Key Colony Beach. Steps from the GOLF clubhouse, TENNIS/pickle ball courts, trailer storage area and only a quick boat ride to the Ocean or Gulf side (via the Vaca Cut). This CBS built 2 bed/ 2 bath home comes with your very own backyard POOL oasis and well maintained 37.5 Ft. CONCRETE dock. Privacy fencing and an expensive shaded LANAI make this home the perfect place to enjoy all the ocean breezes that surround you. Other notable features include; a METAL roof, IMPACT windows and doors, HIGH cathedral ceilings with character and a modern coastal kitchen with stainless steel appliances and stone counter tops. LOW insurances and plenty of room to park multiple cars and storage area under the home. Enjoy the bike/walking paths with a quick ride to sunset park. Island is very safe and family friendly. This property is currently a vacation rental and will make a great second home/primary home or investment property. Call today, because with so many PERKS under $1M, this property will NOT last!!!

$1,100,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,260 SqFt Days Listed: 14
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.Concrete

Boaters Paradise! This stilted half duplex with an open balcony overlooks a 100 wide deep water canal with 37.5 of dockage with quick access to the Gulf or Atlantic Ocean that could be yours! New windows throughout, 2 bedrooms and 2 baths with ample parking and storage. Currently a vacation rental. Also the other side of the duplex is also available for purchase, 511 9TH ST. KCB. Ideally you could own the FULL duplex in Paradise. Key Colony Beach features recreational facilities include 4 parks, 2 playgrounds, bocce courts, pickleball courts, tennis courts, shuffleboard, and a 9-hole par-3 golf course. Call today for your private tour.

$1,100,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,260 SqFt Days Listed: 14
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.Concrete

Are you looking for a dream home in Key Colony Beach? You can enjoy the outdoors with plenty of entertaining space. This stilted half duplex with an open balcony overlooks a 100 wide deep water canal with 37.5 of dockage that could be yours! New windows throughout, 2 bedrooms and 2 baths with ample parking and storage. Currently a vacation rental. Also the other side of the duplex is also available for purchase, 501 9TH ST. KCB. Ideally you could own the FULL duplex in Paradise. Key Colony Beach features recreational facilities include 4 parks, 2 playgrounds, bocce courts, pickleball courts, tennis courts, shuffleboard, and a 9-hole par-3 golf course. Call today for your private tour.

$1,170,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
3 Bed, 3 Baths, 1,170 SqFt Days Listed: 38
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Ramp,Boat Slip

Experience the ultimate Florida Keys lifestyle in this beautifully updated 3-bedroom, 2-bath canalfront home, perfectly situated in sought-after Key Colony Beach. Tastefully decorated with a coastal flair, this home offers cathedral ceilings and a spacious open floor plan filled with natural light.Enjoy numerous upgrades including impact windows, spray foam attic insulation, underground electric, copper gutters, and a low-maintenance yard designed for easy island living. Relax on the expansive deck overlooking the canal, where you can savor the ocean breeze and water views.Additional features include covered parking, a large storage area on the ground level, and a private boat ramp with deeded access. Your own boat slip is right out your back door, providing quick and easy access to world-class fishing, diving, and waterfront dining.Dont miss this opportunity to own a slice of paradise in the heart of the Keys!

$1,225,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
2 Bed, 2 Baths, 1,368 SqFt Days Listed: 124
-12.19% ($170,000) 1 Price Change : Last Change 36 Days Ago
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Concrete

Here it is, your stilted retirement property, weekend getaway or vacation rental on the wonderful island of Key Colony Beach, In the heart of the Florida Keys This immaculately maintained gem offers you access to both the open ocean and the open gulf in less than five minutes. Perfect for the angler, diver, snorkeler as well as the boating enthusiast. Ideally located on a 100 ft wide, clear and deep canal with 37.5 ft of dock w step down and fish cleaning station. The open-concept living space flows seamlessly from living and dining rooms onto a covered balcony with breathtaking canal views. Enjoy entertaining, dining or just relaxing and gazing at the clear water, always mesmerizing and exactly what you deserve. You and your family will enjoy preparing meals, entertaining and making treasured memories in the newly updated, custom kitchen. The primary suite, with impact slider and large window, is bright and airy. The roomy primary bath has another lg impact window making it very inviting with the large, walk-in shower and soaking tub. The entire lower level provides a HUGE open storage space for all your needs, also bright with multiple, large, impact windows. Plenty of covered and uncovered parking for all of your toys, RV, boat trailer and more. Located in the heart of Marathon in Key Colony Beach, this property is just a short walk to three restaurants, shopping, the post office, City Hall, and the building department. Enjoy a all of amenities nearby, including marina, bike and walking paths, golf, pickleball, bocce ball, basketball, 3 playgrounds and tennis courts. Relax and take in the stunning sunsets at Sunset Park. Come on home we are waiting for you.....

$1,250,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
3 Bed, 3 Baths, 1,511 SqFt Days Listed: 32
Half Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 37ft.Concrete

Youve Arrived--Now Stay Awhile! Welcome to your waterfront escape in Key Colony Beach! This beautifully remodeled 3-bed, 3-bath half-duplex offers the perfect blend of luxury and relaxation. Overlooking the sparkling pool and canal, youll enjoy a concrete seawall with direct access to the ocean and bay via Vaca Cut--a boaters dream! Inside, the open-concept living space shines with a modern aqua backsplash, quartz countertops, and stainless steel appliances. The split floor plan ensures privacy, with a spacious master suite featuring an ensuite bath. This home is perfect for an investor, vacation home buyer, or primary home buyer! Key Colony Beach offers exclusive access to the Cabana Club, a par-3 golf course, waterfront dining, and scenic bike/walking paths. Dont wait--start living the island lifestyle today!

$1,499,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
3 Bed, 3 Baths, 1,604 SqFt Days Listed: 125
Single Family - Contingent - Waterfront Yes
Side of Island: Ocean - Dockage: Boat LiftConcrete

Active Vacation Rental! This meticulously updated 3-bedroom, 2-bath retreat in Key Colony Beach embodies the epitome of coastal luxury and functionality, offering an array of features. Contemporary elegance as tile floors guide you through an open-concept living space that effortlessly combines style and comfort. The kitchen, adorned with stainless steel appliances, is a culinary haven, while the adjacent laundry room adds convenience to everyday living. The large primary suite is a sanctuary of tranquility, featuring a spacious layout, a luxurious walk-in shower, and a generously-sized walk-in closet. This private haven ensures the perfect escape. Extend your living space seamlessly as the open concept flows into the backyard oasis. A pristine salt water pool awaits, surrounded by a fenced-in yard that provides both privacy and security. The canal-front location offers a boat lift and the outdoor shower and fish cleaning stations add a touch of convenience to the coastal lifestyle. Boasting very easy ocean access via Vaca Cut. Beyond the propertys boundaries, youll find convenience in every direction. The house is strategically located close to a par 3 golf course, Marathon Airport, Sunset Park, as well as a variety of restaurants and grocery stores. This home offers the perfect base for experiencing the best of the Florida Keys lifestyle. Dont miss the chance to make this waterfront haven your own, call to schedule a showing! Motivated Seller!

$1,735,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
4 Bed, 4 Baths, 2,040 SqFt Days Listed: 84
Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 75ft.Concrete

FULL DUPLEX now Available! Nicely updated and lovingly maintained by this family for over 40 years... Live in one & Rent the other! Or just enjoy the room & privacy, for all of your family and friends. Come, share the wonderful Island Life here on 9th Street in the fabulous Florida Keys! This 100 ft wide canal gives you access to both the open ocean and open gulf with a brief (5 min) boat/jets ki ride or paddle (10 min) The 42 foot dock on the south side provides ample room for your boat and other water vessels. The north side has 33 ft of dockage, so with both (75 ft total) you can bring your vessels totally 70+ ft & they will have a comfortable dock to call home port! The 4 bedroom & 4 bathrooms for the full duplex, with over 2,000 sf of living area to enjoy and relax. Tons of parking for all of your toys too! Covered carport and storage room on south side. Yes, you can have your island home in Paradise her in Key Colony Beach! Walk or bike the entire, 15 Street, City to: marina, golf, pickle ball, tennis, bocce ball, playgrounds, horseshoes, Post Office, City Hall, Police Dept, Sunset Park & more... Whats your hurry, you are here.

$2,150,000
Key Colony
Key Colony Beach 1st Addn Amd Plat - MM: 53.50
4 Bed, 4 Baths, 2,520 SqFt Days Listed: 14
Duplex - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 75ft.

FULL Duplex in the Gem of Key Colony Beach! Whether you are looking for a private family home or an investment property in the FL Keys this Boaters Paradise could be yours! This duplex with an open balcony overlooks a 100 wide deep water canal with 75 ft. of dockage with quick access to the Gulf or Atlantic Ocean that could be yours! New windows throughout, 4 bedrooms and 4 baths with ample parking and storage. Currently a vacation rental. Key Colony Beach features recreational facilities include 4 parks, 2 playgrounds, Brand new pickleball courts, tennis courts, shuffleboard, and a 9-hole par-3 golf course. Call today for your private tour. Property is also listed individually in the MLS #615272 & 615273.

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Most Recent Sales - (31) - Key Colony Bch 1st Addn Amd Plat as of 2025-06-14
Sale Date Address Sale Price $/SF List Price Sq. Ft. Type Bd/Ba Days Listed
05-19-2025 150 13Th $2,070,000 $848 $2,499,000 2,440 Single Family 3/2 195
05-02-2025 550 9Th $1,555,000 $678 $1,750,000 2,293 Half Duplex 4/4 283
03-26-2025 181 10th $1,397,500 $741 $1,475,000 1,885 Half Duplex 3/2 59
02-28-2025 130 9Th $1,350,000 $844 $1,445,000 1,599 Half Duplex 3/2 85
02-13-2025 491 10th $1,160,000 $603 $1,175,000 1,923 Half Duplex 3/3 71
12-19-2024 641 9th $1,200,000 $955 $1,280,000 1,256 Half Duplex 2/3 26
12-09-2024 600 12Th $1,689,900 $908 $1,790,000 1,860 Single Family 4/3 217
11-27-2024 311 4Th $1,450,000 $793 $1,650,000 1,828 Single Family 3/3 259
08-23-2024 251 8th $805,000 $894 $849,000 900 Half Duplex 2/2 52
06-17-2024 220 8Th $635,000 $555 $640,000 1,144 Half Duplex 2/2 83
06-06-2024 601 8Th $925,000 $628 $950,000 1,472 Half Duplex 3/3 239
05-24-2024 441 10th $862,000 $974 $862,000 885 Half Duplex 2/2 4
05-24-2024 240-250 11th $1,650,000 $767 $1,650,000 2,151 Duplex 4/4 4
04-29-2024 230 10Th $790,000 $822 $799,900 960 Half Duplex 2/2 62
01-22-2024 370 Ocean $580,000 $552 $625,000 1,050 Half Duplex 2/2 243
01-11-2024 540 12th $1,325,000 $809 $1,499,000 1,636 Single Family 2/2 64
01-02-2024 490 11th St $2,035,000 $881 $2,275,000 2,309 Half Duplex 4/4 46
12-29-2023 200 - 210 11Th $1,580,000 $1,029 $1,580,000 1,534 Duplex 3/3 253
12-27-2023 590 11th $1,025,000 $898 $1,090,000 1,141 Half Duplex 2/2 43
11-20-2023 133 8th $750,000 $631 $794,900 1,187 Half Duplex 2/2 99
11-14-2023 150 11Th $780,000 $738 $799,000 1,056 Half Duplex 2/2 73
09-26-2023 610 9th $1,525,000 $1,296 $1,550,000 1,176 Duplex 2/2 61
09-26-2023 781 9Th $3,005,000 $1,155 $3,250,000 2,600 Single Family 3/3 309
09-20-2023 850 Shelter Bay $850,000 $960 $879,000 885 Half Duplex 2/2 60
09-12-2023 530 11th $1,500,000 $1,057 $1,550,000 1,418 Half Duplex 2/3 54
09-07-2023 231 10Th $829,000 $936 $829,900 885 Half Duplex 2/2 54
09-01-2023 580 11Th $735,000 $644 $799,000 1,141 Half Duplex 2/2 119
08-28-2023 820 Shelter Bay $7,500,000 $1,447 $7,500,000 5,181 Single Family 4/5 3
07-31-2023 591 8Th $885,000 $607 $925,000 1,456 Half Duplex 3/2 109
07-14-2023 581 8Th $835,000 $580 $875,000 1,439 Half Duplex 3/2 92
06-19-2023 65 7Th $1,020,000 $728 $1,070,000 1,400 Half Duplex 3/2 68
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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 06-14-2025.
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