Key Biscayne Luxury Homes For Sale

Total Listings 122
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$25,000,000 (+0% ) - Key Biscayne, FL

28 Harbor Pt - Key Biscayne, FL 33149
  • Beds: 7 Baths: 8
    Type: Single Family
  • MLS ID: A10626407
    Sq Ft: 11556
  • Sub: LORIDO ESTATES

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.

Listing courtesy of: Douglas Elliman

$22,900,000 (-20.09% ) - Key Biscayne, FL

400 S mashta - Key Biscayne, FL 33149
  • Beds: 6 Baths: 6
    Type: Single Family
  • MLS ID: A10458857
    Sq Ft: 8234
  • Sub: SMUGGLERS COVE

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

Listing courtesy of: Fortune International Realty

$19,500,000 (+0% ) - Key Biscayne, FL

430 N Mashta Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 7
    Type: Single Family
  • MLS ID: A10643662
    Sq Ft: 6000
  • Sub: SMUGGLERS COVE

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.

Listing courtesy of: Fortune International Realty

$18,500,000 (-18.92% ) - Key Biscayne, FL

350 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 7 Baths: 8
    Type: Single Family
  • MLS ID: A10643797
    Sq Ft: 8928
  • Sub: TROPICAL ISLE HOMES SUB 4

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.

Listing courtesy of: Fortune International Realty

$18,300,000 (+0% ) - Key Biscayne, FL

440 S Mashta Dr. - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family
  • MLS ID: A10636642
    Sq Ft: 8202
  • Sub: SMUGGLERS COVE

Extraordinary waterfront estate with unobstructed, breathtaking and captivating views of the bay from every single room in the house. This magnificent residence is located in a cul-de-sac on very exclusive mashta drive in reputable Key Biscayne. Equipped with top of the line appliances and incredible finishes throughout, high ceilings, elevator, floor to ceiling impact glass windows, garage, 360 degree wrap around balconies, rooftop terrace and an infinity pool sitting on a gorgeous wooden deck. Enjoy the open spaces full of natural light with 5 bedrooms and a corner lot that sits on 16,980 sq ft filled with lush landscaping throughout. This masterpiece is elegant, private but yet relaxed for those who enjoy the true Florida lifestyle.

Listing courtesy of: Fortune International Realty

$15,450,000 (+0% ) - Key Biscayne, FL

880 HARBOR DRIVE - Key Biscayne, FL 33149
  • Beds: 7 Baths: 7
    Type: Single Family
  • MLS ID: A10634593
    Sq Ft: 7495
  • Sub: CAPE FLORIDA SUB SEC 1

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.

Listing courtesy of: Great Properties International LLC

$14,900,000 (-10.07% ) - Key Biscayne, FL

260 HARBOR DR - Key Biscayne, FL 33149
  • Beds: 6 Baths: 7
    Type: Single Family
  • MLS ID: A10237695
    Sq Ft: 7392
  • Sub: TROPICAL ISLE HOMES SUB 4

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.

Listing courtesy of: Fortune International Realty

$12,000,000 (-16.67% ) - Key Biscayne, FL

100 Cape Florida Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 6
    Type: Single Family
  • MLS ID: A10410729
    Sq Ft: 8240
  • Sub: CAPE FLORIDA SUB SEC 3

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!

Listing courtesy of: Great Properties International LLC

$11,950,000 (+0% ) - Key Biscayne, FL

620 S MASHTA DRIVE - Key Biscayne, FL 33149
  • Beds: 4 Baths: 4
    Type: Single Family
  • MLS ID: A10533145
    Sq Ft: 4687
  • Sub: Mashta Island Rep

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.

Listing courtesy of: Great Properties International LLC

$11,850,000 (+0% ) - Key Biscayne, FL

290 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family
  • MLS ID: A10596077
    Sq Ft: 5532
  • Sub: TROPICAL ISLE HOMES SUB 4

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

Listing courtesy of: One Sothebys International Realty

$10,990,000 (-8.28% ) - Key Biscayne, FL

910 HARBOR DRIVE - Key Biscayne, FL 33149
  • Beds: 5 Baths: 4
    Type: Single Family
  • MLS ID: A10368018
    Sq Ft: 2735
  • Sub: CAPE FLORIDA SUB SEC 1

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.

Listing courtesy of: Great Properties International LLC

$10,800,000 (+0% ) - Key Biscayne, FL

510 S MASHTA DR - Key Biscayne, FL 33149
  • Beds: 7 Baths: 8
    Type: Single Family
  • MLS ID: A10503575
    Sq Ft: 5274
  • Sub: MASHTA ISLAND

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.

Listing courtesy of: Fortune International Realty

$10,750,000 (+0% ) - Key Biscayne, FL

251 Knollwood Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 9
    Type: Single Family
  • MLS ID: A10615559
    Sq Ft: 8818
  • Sub: CAPE FLA SUB SEC 2

Incredible resort-like living in this exclusive 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 ft. iron gate. Direct access to Biscayne Bay with an unparalleled 327 ft. of water frontage including two docks. Entertain for 5 or 50 in gourmet chef’s kitchen: La Cornue & Subzero appliances, pizza oven, rotisserie, hand-carved artesian cabinets. Lavish coral rock staircase, onyx/marble baths, Brazilian cherry wood and marble floors, wood burning fireplace. Fabulous layout with second floor bedrooms with en suite bathrooms, walk-in closets and private balconies. Four car covered garages with three attached storage rooms and 15+ car Chicago brick driveway and porte-cochere.

Listing courtesy of: Coldwell Banker Residential Real Estate

$10,400,000 (-28.85% ) - Key Biscayne, FL

15 HARBOR PT - Key Biscayne, FL 33149
  • Beds: 7 Baths: 8
    Type: Single Family
  • MLS ID: A10140857
    Sq Ft: 7445
  • Sub: Lorido Estates

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.

Listing courtesy of: Great Properties International LLC

$9,900,000 (-11.01% ) - Key Biscayne, FL

501 N Mashta Drive - Key Biscayne, FL 33149
  • Beds: 4 Baths: 4
    Type: Single Family
  • MLS ID: A10561666
    Sq Ft: 6020
  • Sub: MASHTA ISLAND A REPLAT OF

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.

Listing courtesy of: Great Properties International LLC
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Listing information © 2019 MLS Real Estate Board. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. Information is deemed reliable but is not guaranteed accurate by the MLS or the Brokerage. Data last updated on 05-20-2019. IDX powered by Realty Net Media