Key Biscayne Luxury Homes For Sale

Total Listings 71
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$23,900,000 (+0% ) - Key Biscayne, FL

28 Harbor Pt - Key Biscayne, FL 33149
  • Beds: 7 Baths: 8
    Type: Single Family Residence Days Listed: 165
  • MLS ID: A10858742
    Sq Ft: 11556
  • Sub: LORIDO ESTATES
    Development: LORIDO ESTATES
    Complex: LORIDO ESTATES

Trophy mansion on tropical Key Biscayne – offered furnished & move-in ready! Surrounded with 320-FT of waterfrontage, this luxe home is precious for its prime location, remarkable waterfrontage, & boundless open water views. Rebuilt in 2019 & equipped with a new 110-ft dock, boat lift, & seawall to ensure the finest luxury living. Inside, dramatic entry with 20-ft ceilings, fabulous living spaces, & exceptional finishes highlighted by natural light. Florida rm, chef’s kitchen, entertainment rm, formal dining, grand family rm, & a romantic wine cave with a sitting rm complete the ample living areas. Upstairs, dreamy master with a wrap-around terrace & opulent bath, sauna, gym. Outside, knife-edge pool, manicured landscape, & swaying palm trees create the ultimate ambience for entertaining.

Listing courtesy of: BHHS EWM Realty

$18,200,000 (+0% ) - Key Biscayne, FL

500 S Mashta Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 6
    Type: Single Family Residence Days Listed: 266
  • MLS ID: A10811961
    Sq Ft: 10820
  • Sub: MASHTA ISLAND A REPLAT OF
    Development: MASHTA ISLAND A REPLAT OF
    Complex: MASHTA ISLAND A REPLAT OF

Enjoy ocean and sunset views from this 2014 Mashta Island estate on a 23,814 SqFt oversized lot with 138ft of water frontage. This custom-built home, inspired by Modern architect Richard Meier, features pure geometric lines and integrated open spaces with an emphasis on natural light. Unique features include a 3-story curved glass curtain wall, 14 skylights over a 27-ft high atrium, NanaWall folding glass doors, elevator, gym, dock, staff quarters, 4-car garage, generator and smart home technology.

Listing courtesy of: One Sothebys International Realty

$18,000,000 (-22.22% ) - Key Biscayne, FL

350 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 7 Baths: 8
    Type: Single Family Residence Days Listed: 580
  • MLS ID: A10643797
    Sq Ft: 8928
  • Sub: TROPICAL ISLE HOMES SUB 4
    Development: TROPICAL ISLE HOMES SUB 4
    Complex: 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

$16,500,000 (-26.67% ) - Key Biscayne, FL

9 Harbor Pt - Key Biscayne, FL 33149
  • Beds: 8 Baths: 8
    Type: Single Family Residence Days Listed: 432
  • MLS ID: A10728109
    Sq Ft: 11028
  • Sub: MATHESON ESTATES
    Development: MATHESON ESTATES
    Complex: MATHESON ESTATES

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.

Listing courtesy of: Fortune International Realty

$14,900,000 (+0% ) - Key Biscayne, FL

260 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family Residence Days Listed: 95
  • MLS ID: A10899425
    Sq Ft: 7004
  • Sub: TROPICAL ISLE HOMES SUB 4
    Development: TROPICAL ISLE HOMES SUB 4
    Complex: TROPICAL ISLE HOMES SUB 4

Unique location .Open Bay and Miami Skyline views. Oversized lot. Residence Built in 2014. A home built with the best details and Island design.This elegant island feeling residence has everything to captivate you. hydraulic Elevator, offers Bedrooms on 1st.and 2nd. floor All bedrooms en suite, 3 bedrooms in 2nd Floor , master suite with his & her bathrooms & private terrace overlooking the bay. independent guest suite w/Wood floors & balcóny. 1st Floor w/ formal dining, Italian Kitchen, breakfast área, reception área overLooking Pool and Bay .Family room, wine cellar, library, guest area. Beautiful attic room w/easy access. 3 car garage, 11,106 sq.ft. (7,392 sq.ft. AC space). 2,306 sq.ft. terraces/covered porch. island living at the BEST. Must See to appreciate. Umbranded Matterport.

Listing courtesy of: Fortune International Realty

$14,850,000 (-4.04% ) - Key Biscayne, FL

880 HARBOR DRIVE - Key Biscayne, FL 33149
  • Beds: 7 Baths: 8
    Type: Single Family Residence Days Listed: 600
  • MLS ID: A10634593
    Sq Ft: 8307
  • Sub: CAPE FLORIDA SUB SEC 1
    Development: CAPE FLORIDA SUB SEC 1
    Complex: CAPE FLORIDA SUB SEC 1

Gorgeous waterfront estate offering the ultimate level of luxury and perfection (2019). This 3 story contemporary masterpiece has been meticulously designed with exquisite architecture providing both comfort and elegance with spectacular top of the line finishes throughout. This magnificent home has very defined and open spaces with breathtaking and astonishing views of the harbor and bay. This dream residence offers an incredible infinity pool & terrace overlooking the harbor, 7 bed, 8 full baths and 1 powder room, 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 and entertain family and friends. Boaters paradise.

Listing courtesy of: Great Properties International LLC

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

760 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 7 Baths: 7
    Type: Single Family Residence Days Listed: 515
  • MLS ID: A10682982
    Sq Ft: 9183
  • Sub: BISCAYNE KEY ESTATES
    Development: BISCAYNE KEY ESTATES
    Complex: BISCAYNE KEY ESTATES

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!

Listing courtesy of: Compass Florida LLC

$11,500,000 (+0% ) - Key Biscayne, FL

481 S Mashta Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 6
    Type: Single Family Residence Days Listed: 167
  • MLS ID: A10858684
    Sq Ft: 5940
  • Sub: SMUGGLERS COVE
    Development: SMUGGLERS COVE
    Complex: SMUGGLERS COVE

This modern waterfront home is located in the exclusive Mashta Island, on a quiet cul-de-sac ideal for a family in Key Biscayne. The 6BR/6+1BA residence was totally remodeled from the walls studs out w/no expense spared & completed in 2018. A spacious open floor plan offers flow-through living & dining room layout w/large glass windows & shared balcony w/views to the bay & Ocean. Features a large family/media room, gourmet eat-in kitchen w/top-of-line appliances & elevator. A beautiful principal suite boasts amazing views to Biscayne Bay & Smugglers Cove plus principal bath w/dual walk-in closets & a large walk-in rain shower. Outdoor highlights include: large heated pool, covered seating areas, private wood dock- accommodates a 65ft vessel & easy access to the open Bay & Atlantic Ocean.

Listing courtesy of: Coldwell Banker Realty

$10,995,000 (+0% ) - Key Biscayne, FL

290 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family Residence Days Listed: 36
  • MLS ID: A10928344
    Sq Ft: 5532
  • Sub: TROPICAL ISLE HOMES SUB 4
    Development: TROPICAL ISLE HOMES SUB 4
    Complex: TROPICAL ISLE HOMES SUB 4

A once-in-a-lifetime opportunity awaits with this 20,000 Sq. Ft. waterfront lot located on Key Biscayne, in one of Miami’s most prestigious and sought-after communities. Offering exceptional views of Biscayne Bay and the Miami skyline, the property comes with a private dock and the many outdoor activities and other benefits of a welcoming and comfortable island setting. With great schools, malls, movie theaters, shops, restaurants, and long stretches of sandy beaches minutes away, you will have the best of both worlds, an island life-style only minutes from urban centers. The chance to live on this waterfront property in a haven of peace and calm is now yours!

Listing courtesy of: Coldwell Banker Realty

$9,875,000 (+0% ) - Key Biscayne, FL

251 Knollwood Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 9
    Type: Single Family Residence Days Listed: 358
  • MLS ID: A10761401
    Sq Ft: 8818
  • Sub: CAPE FLA SUB SEC 2
    Development: CAPE FLA SUB SEC 2
    Complex: CAPE FLA SUB SEC 2

“Living on the edge” has a new meaning with 327 ft of incredibly lush waterfront views showcasing this secluded, private tropical peninsular estate. Located on a tranquil cul-de-sac with 10 ft ornate iron gates and no bridges to Biscayne Bay, this Key Biscayne villa has 2 boat docks, 4-car garages, 15+ car driveway and porte-cochere, located on a rare expansive 31,000 sf lot, making it exceptional and unparallelled for boating and car enthusiasts alike. The epicurean French kitchen reveals hand-carved artisan antique cabinets, Sub Zero appliances LaCornue range, pizza oven and rotisserie, beckoning entertaining for 5 or 50. Opulent marble and granite finishes throughout with a fabulous layout include 4 second-floor en suite bedrooms and private balcony allowing exceptional water views.

Listing courtesy of: Coldwell Banker Realty

$9,845,000 (+0% ) - Key Biscayne, FL

740 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family Residence Days Listed: 253
  • MLS ID: A10819084
    Sq Ft: 6093
  • Sub: BISCAYNE KEY ESTATES
    Development: BISCAYNE KEY ESTATES
    Complex: BISCAYNE KEY ESTATES

Rare opportunity to own marvelous and astounding waterfront residence on Hurricane Harbor, with one of largest docks, a Boaters Dream. Direct access to bay, and the special concrete dock (with a boat lift) can accommodate 90 ft Yacht, and two additional boats. Indulge in one of Key Biscaynes largest lots, with 21,483SF. This 5 Bed 5.5 Bath, 2 story home has an amazing open space floor plan, with an abundance of natural light & double height ceilings through out living area. Theres a poolside Gazebo with full bath, and covered entertainment area in the Over-sized backyard. Marble floors throughout, and a two car garage, plus additional covered parking.

Listing courtesy of: London Real Estate Co.

$9,800,000 (+0% ) - Key Biscayne, FL

960 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 1 Baths: 2
    Type: Single Family Residence Days Listed: 127
  • MLS ID: A10880071
    Sq Ft:
  • Sub: CAPE FLORIDA SUB SEC 1
    Development: CAPE FLORIDA SUB SEC 1
    Complex: CAPE FLORIDA SUB SEC 1

*** 276 linear feet on the Water this Unique Waterfront Corner property. Oversize 28,310 Sq Ft of land on Key Biscayne. Build your panoramic dream home on this spectacular lot. It sits on the best street in Key Biscayne: Harbor Drive when becomes a Dead-End Boulevard. This is a boaters dream with over 276 feet on the water. No neighbors in sight with immediate access to open bay and open ocean.

Listing courtesy of: Gimeza A Real Estate Corp.

$8,995,000 (-10.06% ) - Key Biscayne, FL

511 N Mashta Dr - Key Biscayne, FL 33149
  • Beds: 4 Baths: 3
    Type: Single Family Residence Days Listed: 496
  • MLS ID: A10691036
    Sq Ft: 3934
  • Sub: MASHTA ISLAND A REPLAT OF
    Development: MASHTA ISLAND A REPLAT OF
    Complex: MASHTA ISLAND A REPLAT OF

Yachtsmans Paradise! Unique and rare opportunity to own one of the few remaining and most sought after double plus lots on private and wide bodied Hurricane Harbor. This oversized 31,996 sqft lot includes 152 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 plus separate guest house. Home features Guyana Greenheart wood, teak, copper and coral rock. Ideal residence for entertaining with expansive coral rock patios and large pool with waterfall.

Listing courtesy of: Fortune International Realty

$8,799,000 (+0% ) - Key Biscayne, FL

670 S Mashta Dr - Key Biscayne, FL 33149
  • Beds: 4 Baths: 4
    Type: Single Family Residence Days Listed: 64
  • MLS ID: A10903968
    Sq Ft: 2922
  • Sub: MASHTA ISLAND
    Development: MASHTA ISLAND
    Complex: MASHTA ISLAND

Beautiful Bayfront Home on Key Biscayne, ripe for renovation or redevelopment.

Listing courtesy of: Alliance Companies

$8,500,000 (+0% ) - Key Biscayne, FL

390 Pacific Rd - Key Biscayne, FL 33149
  • Beds: 4 Baths: 5
    Type: Single Family Residence Days Listed: 149
  • MLS ID: A10866216
    Sq Ft:
  • Sub: HOLIDAY COLONY
    Development: HOLIDAY COLONY
    Complex: HOLIDAY COLONY

Located on a 12,500 sq. corner lot surrounded by beautiful landscape and just a few steps away from the key Biscayne beach this house blends in with the ocean. A combination of exposed concrete, roman travertine marble, and Timura wood volumes are interconnected, true open spaces, extensive terraces, green trellises, and an impressive 60´ long lap pool, 5,500 sf. under HVAC area, and a gross area of 7,680 sf. Italian Quarella floors, beautiful Italian kitchen by Binova Cucine, Plumbing fixtures by Dornbracht, Gessi, Toto Neorest, etc. State of the art kitchen appliances, Lighting and Crestorn integrated system.

Listing courtesy of: Duncan Studio Real Estate Division PLLC
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