Key Biscayne Real Estate, Homes and Condos for sale

All Key Biscayne homes currently listed for sale in Key Biscayne as of 09/18/2019 are shown below.  You can change the search criteria at any time by pressing the 'Change Search' button below.

If you have any questions or you would like more information about any Key Biscayne homes for sale or other Key Biscayne real estate, please contact us and one of our knowledgeable Key Biscayne REALTORS® would be pleased to assist you.


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  Page 1 of 18  
 
$25,000,000
28 Harbor Pt, Key Biscayne FL 33149
7
BEDS
9
BATHS
11,556
SQFT
$2,163
$/SQFT
0.62
ACRES
2019
BUILT
"28 Harbor is a spectacular oceanfront sanctuary located in the prestigious Harbor Point of Miami’s Exclusive Island, Key Biscayne. This custom gated mansion is a masterpiece situated between the Atlantic Ocean and the Island’s Harbor. With over an ½ acre of prime oceanfront property, this residence includes a 172 Ft deep water private dock to the north, large enough for a mega-yacht. The direct oceanfront location is tremendously private and includes a state of the art security system. The infinity edge pool is complete with a jacuzzi and over 5,000 sq ft of outdoor terraces. A Zen Entry, makes this the most tranquil and spiritual place one can imagine. Entering the home becomes a personal affair of elegance with a meticulous blend of luxury materials complimented by magnificent views."
* LISTED OVER 120 DAYS 
$22,900,000
400 S mashta, Key Biscayne FL 33149
6
BEDS
8
BATHS
12,351
SQFT
$1,854
$/SQFT
0.83
ACRES
2003
BUILT
"welcome to one of the Most unique Miami waterfront residences. Designed by renowned Architect Pawley. Located on a secluded cul-de-sac and built on an oversized lot. Polynesian influences, and breathtaking water views. The best of the two views: Biscayne bay, and a wide water lagoon ( Smugglers Cove). Seawall around the property , dock available for a 100 ft yacht. Gated and Private.Overlooking Bill Baggs State Park with our historic Lighthouse. Custom size oversized, from the minute you walk into the house you will be greeted by a Koi Pond with magnificent fishes. Double door leads you to an open living room dining area. On the left by the entrance an office with formal bathroom.Plus"
* LISTED OVER 120 DAYS  * PRICE LOWERED - $24,900,000 TO $22,900,000 
$20,900,000
9 Harbor Pt, Key Biscayne FL 33149
8
BEDS
11
BATHS
13,502
SQFT
$1,548
$/SQFT
0.62
ACRES
2006
BUILT
"Welcome to one of the most refined waterfront residences in Florida. Nestled in The only private road of Key Biscayne, this magnificent home sits on an oversized lot with direct Biscayne Bay and Miami skyline views. Extremely sophisticated Bali style home designed by CMA Design Studio, top of the line materials, Lutron system with recess lighting that creates a perfect setting for the interior of the residence. Formal dining, butlers pantry, adjacent to the upscale kitchen (gas stove) and breakfast area with direct access to the covered patio with Jasmin climbing vine, large guest suite on garage second floor. Total of 8 bedrooms. Third-floor loggia family room. Double stair access. Expansive covered terrace and gazebo by the pool. Private dock. Boatlift. Private and gated. Generator."
$19,500,000
430 N Mashta Dr, Key Biscayne FL 33149
6
BEDS
8
BATHS
6,000
SQFT
$3,250
$/SQFT
0.82
ACRES
2015
BUILT
"One of kind waterfront property,House sits in 2 lots (430 and 460 N Mashta): total of 36072 sq.ft of land, epitome of privacy&high end construction, overlooking wide water-view (Smugglers Cove)&the Florida State Park. Direct access to open water within 2 minutes. Completely gated w/ state of the art security system all around the residence. 2 docks for large yachts, brand new seawall. Formal dining, 3 reception areas, wine cellar, Over-sized master suite offers breathtaking views, elegant wood paneling work, 2 large custom walk in closets and fabulous master bathroom. 3 bedrooms on 2nd floor. Media room w/German technology TV&sound system. Professional gym area w/ tatami area, sauna, steam&full bathroom. Most of the areas looking to pool&water. Please call me for details and specs."
* LISTED OVER 120 DAYS 
$18,500,000
350 Harbor Dr, Key Biscayne FL 33149
7
BEDS
9
BATHS
8,928
SQFT
$2,072
$/SQFT
0.54
ACRES
1998
BUILT
"Key Biscayne Magnificent residence with Miami skyline at his best. Built on a over-sized lot (23774 sq.ft). Unique city views. Home offers 8,000+ sq.ft of great amenities and floor plan. Master suite on first floor with expansive own office library . Family room . 4 bedrooms en suite on second floor . Terraces on first and second floor . Two bedrooms en suite for staff. High ceilings through out the house , large floor to ceiling impact glass windows , large covered terrace embracing the backyard with BBQ area, sitting area and amazing city and pool views.dock area with boat lift (24000 pounds- 33 plus ft boat ) and dock sitting area. Double stairs circulation . 2 car enclosed garage . Gated . Must visit to appreciate how grand this house is."
* LISTED OVER 120 DAYS  * PRICE LOWERED - $18,750,000 TO $18,500,000 
$14,900,000
260 HARBOR DR, Key Biscayne FL 33149
6
BEDS
9
BATHS
7,392
SQFT
$2,016
$/SQFT
0.45
ACRES
2014
BUILT
"Unique location. Miami Skyline views. Oversized 20,000 sf lot. Built '14. This elegant island feeling residence has everything to captivate you. Gated & private. Bright, high ceilings. Water views as you walk in, mesmerizing day & night views. Reception area opens to large covered terrace overlooking pool & Bay. Formal dining. Elevator, all bedrooms en suite, master suite w/his & her bathrooms & terrace. Family room, wine cellar, library, guest area. Large kitchen w/breakfast area & terrace. 3 car garage."
* LISTED OVER 120 DAYS  * PRICE LOWERED - $16,400,000 TO $14,900,000 
$14,850,000
880 HARBOR DRIVE, Key Biscayne FL 33149
7
BEDS
9
BATHS
9,453
SQFT
$1,571
$/SQFT
0.35
ACRES
2019
BUILT
"BRAND NEW waterfront estate offering the ultimate level of luxury and perfection.This 3 story contemporary masterpiece has been meticulously designed with exquisite architecture providing both comfort and elegance with spectacular top of the line finishes. This gorgeous home has very defined and open spaces with breathtaking and astonishing views of the harbor and bay. This dream residence is offered fully furnished as seen in the pictures with an incredible infinity pool & terrace overlooking the harbor, 7 bed, 7 full baths and 2 powder rooms,high ceilings throughout, floor to ceiling glass windows & doors, stainless steel state-off-the-art appliances,BBQ area and on the 3rd level you will find a stunning family room, bar and huge terrace where you can enjoy entertain family and friends."
* LISTED OVER 120 DAYS  * PRICE LOWERED - $15,450,000 TO $14,850,000 
$12,000,000
100 Cape Florida Dr, Key Biscayne FL 33149
5
BEDS
9
BATHS
11,006
SQFT
$1,090
$/SQFT
0.37
ACRES
2007
BUILT
"One of Key Biscayne’s few homes on Pines Canal facing Cape Florida State Park, so your views are pure mangroves. You will never have construction spoiling your view! Swim in your pool in complete privacy! A true boater’s dream home with an L-shaped canal with frontage to fit two boats! Gorgeous formal and informal areas perfect for entertaining! Large functional kitchen, family room, office/library, lots of covered terraces. Six car garage for the car lover!Wine cellar, elevator, gym! Five bedrooms/6 baths/3 half baths. Gorgeous onyx floor and counters in the master bath. The home has everything you need for luxurious living!"
* LISTED OVER 120 DAYS  * PRICE LOWERED - $14,000,000 TO $12,000,000 
$11,950,000
620 S MASHTA DRIVE, Key Biscayne FL 33149
4
BEDS
5
BATHS
7,230
SQFT
$1,653
$/SQFT
0.34
ACRES
2014
BUILT
"Stunning modern masterpiece situated on prestigious and very private Mashta island.This warm contemporary home was built in 2014 and it offers unobstructed and panoramic views of Biscayne Bay and Stills Ville from the moment you walk-in the door.Enjoy the unique design with expansive glass all around which makes you feel as you are living on a yacht, private oasis! The breathtaking views and unforgettable sunsets will make a difference in your everyday life.This exquisite home offers Koi pond entrance, open floor,10 Ft ceilings. Limestone on the 1st floor, oak wood on the 2nd floor, concrete staircase+ a custom designed Italian Kitchen,BBQ area,4 magnificent suites, office, playroom, steam sauna, Jacuzzi and infinity pool.Owners floor plans show the living area under A/C is 5,052 Sq Ft."
* LISTED OVER 120 DAYS 
$11,850,000
290 Harbor Dr, Key Biscayne FL 33149
5
BEDS
5
BATHS
5,532
SQFT
$2,142
$/SQFT
0.45
ACRES
1954
BUILT
"Bayfront home with amazing open bay views. Large dock that accommodates very large boat. Extremely private home. Great home for entertaining. A true gem with open floor plan. 24 hour notice for showings - Tenant occupied"
* LISTED OVER 120 DAYS 
$11,850,000
760 Harbor Dr, Key Biscayne FL 33149
7
BEDS
9
BATHS
9,183
SQFT
$1,290
$/SQFT
0.41
ACRES
1998
BUILT
"Views of wide water lagoon from this beautiful Mediterranean home located in the fabled Island of Key Biscayne. Sited on a half acre +/- lot with 7 bedrooms, 7 full baths and 2 half baths, it offers the ultimate destination for anyone seeking to accommodate either a growing or a multi-generational family. There is a spacious 2 bedroom guest house attached, located over an air conditioned 2 car garage. The sprawling roof-top patio is the ultimate spot for entertaining and enjoying fabled, Miami sunsets and city skyline views. There are an almost endless list of amenities: deep water dock for a large vessel, free-form swimming pool and jacuzzi, summer kitchen, gym, library, elevator, gourmet kitchen and family room overlooking the lagoon. Bring your most discriminating buyers!"
$10,995,000
360 Ocean Dr Unit LPH2S, Key Biscayne FL 33149
4
BEDS
7
BATHS
4,762
SQFT
$2,309
$/SQFT
2014
BUILT
"Grand home in the sky at Oceana Key Biscayne. Custom details at this exquisite 4 Bed plus Maid Quarters/ 6.5 Bath Lower Penthouse with stellar flow-through views that include direct Ocean, Bay, Downtown, Key Biscayne, and more. French oak floors create a serene vibe that is enhanced by custom doors, Bisazza kitchen floor, Boffi cabinetry and professional lighting, A designer home for the most discerning taste. Oceana Key Biscayne is an enclave with 500 ft. of beachfront, media room, tennis, putting green, lush grounds, a fantastic restaurant for owners, and the feeling of a world-class resort. Come see for yourself"
* LISTED OVER 120 DAYS 
$10,990,000
910 HARBOR DRIVE, Key Biscayne FL 33149
5
BEDS
4
BATHS
4,653
SQFT
$2,362
$/SQFT
0.56
ACRES
1962
BUILT
"Create and build your perfect home on this incredible and very spacious property with 24,473 Sq Ft of land as per Miami Dade County. Enjoy the gorgeous and breathtaking views of the harbor and bay as well as being at the end of Harbor Drive where it is very quiet and peaceful. This is a boater’s paradise."
* LISTED OVER 120 DAYS  * PRICE LOWERED - $11,490,000 TO $10,990,000 
$10,900,050
730 Harbor Dr, Key Biscayne FL 33149
6
BEDS
6
BATHS
7,744
SQFT
$1,408
$/SQFT
0.56
ACRES
1967
BUILT
"This spectacular residence has breathtaking views with approximately 100 feet of waterfront on Hurricane Harbor. The property includes a grandfathered-in concrete dock and pilings suitable for watercraft up to 85 feet. The house has a wonderful floor plan with incredible open spaces and amazing natural light throughout. It has 6 bedrooms and 6 bathrooms."
$10,800,000
510 S MASHTA DR, Key Biscayne FL 33149
7
BEDS
8
BATHS
5,274
SQFT
$2,048
$/SQFT
0.42
ACRES
1981
BUILT
"Direct Biscayne Bay view. From the moment u walk into the house u see the most beautiful water view, and ever changing sunsets. Residence offers 6 bedrooms 8 bathrooms plus several entertainement areas. Formal dining with dramatic pool and water views. Open kitchen, adjacent to Family room and Dining area. One bedroom en suite located on first floor. Four bedrooms four bathrooms on second story with intimate family area. Master Suite w/ private balcony & oversized Master bathroom w/ Shower overlooking pool & bay. Staff quarters. laundry area. High ceilings. Large covered garage for 2 cars & golf cart/ kayaks. Oversized pool with magnificent lawn. Gazebo by the waterfront, garden Cabana area with pool bathroom . large terraces. gated and private. generator. System 4 smart home."
* LISTED OVER 120 DAYS 
$10,750,000
251 Knollwood Dr, Key Biscayne FL 33149
6
BEDS
9
BATHS
8,818
SQFT
$1,219
$/SQFT
0.71
ACRES
1968
BUILT
"Incredible resort-like living in a waterfront estate a short distance from renowned Key Biscayne beaches. Nestled on an oversized 31,000 sf lot at the end of a cul-de-sac, behind towering hedges and a 10 feet high iron gate. Direct access to Biscayne Bay with a 327 ft. of water frontage, including two docks. Entertain for 5 or 50 in gourmet chef’s kitchen, with La Cornue and Subzero appliances, pizza oven, rotisserie, and hand-carved artesian cabinets. Lavish coral rock staircase, onyx/marble baths, Brazilian cherry wood and marble floors, and wood-burning fireplace. Fabulous layout, and second floor bedrooms with en suite bathrooms, walk-in closets and private balconies. Four-car covered garage with three attached storage rooms and 15+ car Chicago-brick driveway and porte-cochere."
* LISTED OVER 120 DAYS 
$10,400,000
15 HARBOR PT, Key Biscayne FL 33149
7
BEDS
9
BATHS
7,445
SQFT
$1,397
$/SQFT
0.43
ACRES
1998
BUILT
"Absolutely stunning, magnificent and one of a kind 2 story estate which offers breathtaking panoramic views of Biscayne Bay. Designed to enjoy every room in the house with exquisite architecture, comfort, elegance and charm. Approx 7,500 sq ft of A/C, 19,085 sq ft of land .. 7 bedrooms, 8.5 baths, office, family room, formal living and dining room areas, gourmet kitchen, 3 car garage, gorgeous terraces, small man created beach and wonderful dock.Located on exclusive Harbor Point this is a dream come true."
* LISTED OVER 120 DAYS  * PRICE LOWERED - $11,915,000 TO $10,400,000 
$9,900,000
511 N Mashta Dr, Key Biscayne FL 33149
4
BEDS
4
BATHS
5,159
SQFT
$1,919
$/SQFT
0.73
ACRES
1985
BUILT
"Yachtsman's Paradise! Unique and rare opportunity to own one of the few remaining and most sought after builder's acre lot on private and wide bodied Hurricane Harbor. This oversized 31,996 sq ft lot includes 150 linear ft seawall and a long dock jetting into the harbor. Ideal for multiple boat dockage and/or yacht. Unique custom built and over built Polynesian style 4/3.5 pool home and separate boat house/office features Guayana Greenheart wood, teak, copper and coral rock. Ideal home for entertaining with expansive coral rock patios & large pool with waterfall. Easy to show!"
$9,800,000
720 S Mashta Dr, Key Biscayne FL 33149
6
BEDS
6
BATHS
7,471
SQFT
$1,312
$/SQFT
0.34
ACRES
1964
BUILT
"Completely remodeled home on Mashta island in Key Biscayne. Walk in to breathtaking water views. This home features 6 bedrooms, 5.5 bathrooms, a gourmet kitchen with top-of-the-line appliances, large dining room & great room with full bar, office/media room, separate maid’s quarters, a large laundry room, and a master suite with ocean views. This house has the perfect setting to enjoy the beautiful sunsets while dipping in an infinity pool, perfect for entertaining."
* LISTED OVER 120 DAYS 
$9,450,000
501 N Mashta Drive, Key Biscayne FL 33149
4
BEDS
5
BATHS
9,008
SQFT
$1,049
$/SQFT
0.72
ACRES
1974
BUILT
"Significant opportunity to own a one of a kind property with over 31,458 sq. ft. of land, situated on exclusive Mashta Island and overlooking Hurricane harbor. This amazing corner lot residence is the perfect jewel for boaters or water sport lovers.Enjoy the peaceful waters of the harbor and be amazed by the passing dolphins or manatees. This home offers a spacious floor plan with over 6,020 sq. ft. (under a/c). The formal living area is enhanced by double-height ceilings plus a separate formal dining with views to the pool and harbor, a specious kitchen with breakfast area and a wonderful family room.The house has 6 beds/4.5 baths. The covered terrace has a built-in bar and an expansive oversized pool area perfect for those who love to entertain. House is elevated and has a 2 car garage."
* LISTED OVER 120 DAYS  * PRICE LOWERED - $9,900,000 TO $9,450,000 
$8,695,000
471 N Mashta Dr, Key Biscayne FL 33149
7
BEDS
8
BATHS
8,953
SQFT
$971
$/SQFT
0.38
ACRES
2002
BUILT
"Stunning Bay, Harbor and Miami Skyline Views from this Addison Mizner-inspired waterfront estate. Villa Bellavista, built in 2002 and meticulously maintained, located in a quiet cul-de-sac on Key Biscayne’s coveted Mashta Island. Residence boasts 5 suites upstairs, 2 suites down for office/library/service/guest quarters, 7.5 baths, huge Master Suite with sitting area, Formal Living Room with fireplace, Family/Entertainment Room, Formal Dining, Modern Kitchen, Breakfast Area, all leading to broad open terraces with spectacular water views. Amenities include dual entrances, privacy wall, electrical gates for bothl driveways, 3-car garage, courtyards, pool, spa, new sea wall, 120ft of waterfront and dock for large yacht with immediate access to Smugglers Cove and Biscayne Bay."
* LISTED OVER 120 DAYS 
$8,500,000
350 OCEAN DR Unit 801-N, Key Biscayne FL 33149
4
BEDS
8
BATHS
4,080
SQFT
$2,083
$/SQFT
2014
BUILT
"Best North corner unit in S. FL's most prestigious building, Oceana Key Biscayne has great open views to Atl. Ocean, Mia. Bch, Fisher Isl., Key Biscayne. This wonderful property w/ 4,080 sqft has 4 beds, a service room, 7 baths, large laundry room and a huge wrap around balcony with 2,070 sqf. 4 parking spaces. White Quartz counter tops, Master Chef double oven, whole bean coffee system, wine cooler. Unique residence lobby, infinity pool, fitness center and top of the spa. Tennis,volleyball & more.SELLER MOTIVATED MAKE AN OFFER !!!"
* LISTED OVER 120 DAYS  * PRICE LOWERED - $8,990,000 TO $8,500,000 
$8,495,000
425 W Mashta Dr, Key Biscayne FL 33149
6
BEDS
7
BATHS
4,730
SQFT
$1,796
$/SQFT
0.39
ACRES
1964
BUILT
"Unique Island Style house on an exceptional lot at the entrance to Mashta Island in Key Biscayne. Water views from every room with southern orientation and stunning sunsets looking out over Biscayne Bay and the city beyond. Protected dock and new seawall of nearly 200 feet in Hurricane Harbor can accommodate a very large yacht. Residence offers a total of six bedrooms each with en suite bathroom and large reception overlooking the water. Large master suite with his own private panoramic terrace. Three bedrooms on second floor and three bedrooms at pool level. Relaxed Island feeling . Gated and private."
* LISTED OVER 120 DAYS 
$8,490,000
670 HARBOR DRIVE, Key Biscayne FL 33149
0
BEDS
0
BATHS
0.63
ACRES
2016
BUILT
"Absolutely spectacular and unique property with 27,656 Sq Ft of land on Key Biscayne. Build your dream home on this outstanding lot which sits on prestigious Harbor Drive and Hurricane Harbor. This is a boater’s dream with over 100 feet on the water and with incredible and spectacular views of the Bay. Watch the dolphins and manatees swim by and enjoy breathtaking sunsets. This is ONE OF A KIND!"
* LISTED OVER 120 DAYS  * PRICE LOWERED - $9,000,000 TO $8,490,000 
 
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