Key Biscayne Luxury Homes For Sale

Total Listings 28
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$14,000,000 (+0% ) - Key Biscayne, FL

766 Harbor Dr - Key Biscayne, FL 33149
  • Beds: 7 Baths: 7
    Type: Single Family Residence
  • MLS ID: A11088351
    Sq Ft: 9848
  • Sub: BISCAYNE KEY ESTATES
    Development: BISCAYNE KEY ESTATES
    Complex: BISCAYNE KEY ESTATES

Location, location, location! Beautiful waterfront mansion on the desired island of Key Biscayne. This incredible 3 story home offers 7 bedrooms, 7,5 bathrooms and 9,848 SF of interior space. All impact windows, Marble floors, large kitchen and several spacious terraces overlooking the bay, combined into a truly superb floorplan – spacious bedrooms, closets, bathrooms and excellent natural light make this home easy and ideal to update if desired. Located on a large 18,734 SF lot that offers a pool with a separate Jacuzzi. This true boaters dream offers 100 feet of water frontage as well as a boat dock and while protected in this supremely wide canal it is located just one minute from the open water.

Listing courtesy of: Douglas Elliman

$13,900,000 (+0% ) - Key Biscayne, FL

511 N Mashta Dr - Key Biscayne, FL 33149
  • Beds: 3 Baths: 3
    Type: Single Family Residence
  • MLS ID: A11041393
    Sq Ft: 4510
  • Sub: MASHTA ISLAND A REPLAT OF
    Development: MASHTA ISLAND A REPLAT OF
    Complex: MASHTA ISLAND A REPLAT OF

Yachtmans paradise! Unique and rare opportunity to own one of the most sought-after double plus lots on wide-bodied Hurricane Harbour. Oversized 31,966 sqft lot. Includes 152 linear ft seawall and long deck jetting into the harbor. Ideal for multiple boat dockage and/or yacht. Unique custom built and over built Polynesian style pool home. Includes a detached pool/guest house. Home features Guyana Greenheart wood, teak, copper and coral rock. Spectacular property to renovate or build your dream home! Easy to show.

Listing courtesy of: Coldwell Banker Realty

$12,700,000 (+9.45% ) - Key Biscayne, FL

481 S Mashta Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 6
    Type: Single Family Residence
  • 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 and completed in 2018. A spacious open floor plan offers flow-through living and dining room layout w/large glass windows and shared balcony with views to the bay and 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 with easy access to the open Bay and Atlantic Ocean.

Listing courtesy of: Coldwell Banker Realty

$12,500,000 (+0% ) - Key Biscayne, FL

501 N Mashta Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 5
    Type: Single Family Residence
  • MLS ID: A11068384
    Sq Ft: 6020
  • Sub: MASHTA ISLAND A REPLAT OF
    Development: MASHTA ISLAND A REPLAT OF
    Complex: MASHTA ISLAND A REPLAT OF

MASSIVE KEY BISCAYNE CORNER LOT DEVELOPMENT OPPORTUNITY ON 3/4 ACRE LOT WITH 113 FT OF WATERFRONTAGE ON EXCLUSIVE MASHTA ISLAND! This Family Estate is Perfect for Water Sport Lovers & Boaters, featuring a Single Well Boat Slip + Dock & Separate Boathouse. Build your Dream Home on a Quiet Harbour w/ over 113 FT of Waterfrontage. 6 Bedrooms + 5.5 Bathrooms w/ 6,797 Adj Gross SF on an Oversized 31,474 SF LOT. Formal Living Area boasts Double-Height Ceilings + separate Formal Dining w/ views to the Pool & Harbour, a spacious Kitchen w/ Breakfast Area & Family Room. Covered Terrace features a built-in Bar and an Oversized Pool + Spa. Residence features Long Driveway w/ 2 Car Garage. Key Biscayne is a Family-Friendly Oasis w/ convenient access to nearby Parks and Several Family Activity Spots!

Listing courtesy of: Luxe Living Realty

$11,500,000 (-6.09% ) - Key Biscayne, FL

110 Reef Ln #10 - Key Biscayne, FL 33149
  • Beds: 4 Baths: 4
    Type: Villa
  • MLS ID: A11029018
    Sq Ft: 5074
  • Sub: OCEANA KEY BISCAYNE CONDO
    Development: OCEANA KEY BISCAYNE CONDO
    Complex: OCEANA KEY BISCAYNE CONDO

Do not miss the unique opportunity to own the largest one-of-a-kind villa at Oceana Key Biscayne. Oceana Key Biscayne is known as the most luxurious condo development on the island of Key Biscayne. Designed by renowned architectural firm Arquitectonica and developed by Consultatio Real Estate, the project consists of 142 condo residences and 12 luxury villas completed in 2014. Villa 10 has undergone an extensive rebuilt, which has added nearly 1,200 sq. ft to the property for a total of 6,148 sq. ft and includes: High-end, luxurious finishes throughout the villa

Listing courtesy of: One Sothebys International Realty

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

251 Knollwood Dr - Key Biscayne, FL 33149
  • Beds: 6 Baths: 9
    Type: Single Family Residence
  • MLS ID: A11015196
    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 5 second-floor en suite bedrooms and private balcony allowing exceptional water views.

Listing courtesy of: Coldwell Banker Realty

$9,200,000 (+0% ) - Key Biscayne, FL

611 N Mashta Dr - Key Biscayne, FL 33149
  • Beds: 3 Baths: 3
    Type: Single Family Residence
  • MLS ID: A11074920
    Sq Ft: 3620
  • Sub: MASHTA ISLAND A REPLAT OF
    Development: MASHTA ISLAND A REPLAT OF
    Complex: MASHTA ISLAND A REPLAT OF

Ideal home for the waterfront enthusiast, boasting 104-feet of water frontage with an unobstructed view of the Miami Skyline. 15,000+ SF lot located in one of Key Biscaynes most desirable waterways, Hurricane Harbor. The house is situated on the widest part of the protected harbor and features a boat Davits and an oversized extended dock over the water - a boaters dream. Fantastic opportunity to transform this spacious home or build a tropical dream home on North Mashta Island. Living areas include 4BR/4BA plus staff quarters, two dens, separate dining and living room. Exterior features include covered patio, heated swimming pool. Seller is a developer and may provide complete Architectual plans for remodeling the house or construction of new home.

Listing courtesy of: BHHS EWM Realty

$8,850,000 (+0% ) - Key Biscayne, FL

1045 Mariner Drive - Key Biscayne, FL 33149
  • Beds: 4 Baths: 3
    Type: Single Family Residence
  • MLS ID: A11089980
    Sq Ft: 3898
  • Sub: CAPE FLA SUB SEC 2
    Development: CAPE FLA SUB SEC 2
    Complex: CAPE FLA SUB SEC 2

Incredible location in one of Key Biscayne’s most desired streets … “Mariner Drive” which is private, quiet, secure and one of the highest streets on KB with 15,893 Sq Ft of land. A true yachtsman’s paradise with over 100 feet on the water and amazing endless views down the canal with easy access to the bay. This one story residence is open, bright and has natural light throughout with high ceilings in the living area. Offering 5 ample bedrooms, 4 bathrooms, 1 cabana bath, office, separate living and dining room, spacious family area, garage, dock, and an oversized gorgeous infinity pool with a great terrace for those who like to entertain. Rare opportunity to own this magnificent property which is all about location. Tenant occupied until February 2022. (see broker remarks)

Listing courtesy of: Great Properties International LLC

$7,950,000 (+0% ) - Key Biscayne, FL

1047 Mariner Dr - Key Biscayne, FL 33149
  • Beds: 4 Baths: 3
    Type: Single Family Residence
  • MLS ID: A11105020
    Sq Ft: 3111
  • Sub: CAPE FLA SUB SEC 2
    Development: CAPE FLA SUB SEC 2
    Complex: CAPE FLA SUB SEC 2

Exceptionally renovated waterfront island residence on most desirable turning basin of Cape Florida canal sits on an impressive 17,483 sq.ft. lot! No detail spared modernization was redone with the highest of standards. Some fine features include Brazilian Teak flooring throughout living and bedroom areas and marble flooring in top of the line kitchen area and adjacent grand family room with fireplace. High vaulted ceilings. Perfect home for those longing to enjoy the best of yachting. Enjoy vistas of the waterway through all impact windows and doors that lead to the wonderful outdoor patio, pool, spa and of course a TWO-level dock with 123 ft seawall. Quick and easy access to Biscayne Bay and Atlantic Ocean- No bridges.

Listing courtesy of: Coldwell Banker Realty

$6,980,000 (+14.18% ) - Key Biscayne, FL

10 Island Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 4
    Type: Single Family Residence
  • MLS ID: A10994245
    Sq Ft: 5168
  • Sub: CAPE FLORIDA SUB SEC 3
    Development: CAPE FLORIDA SUB SEC 3
    Complex: CAPE FLORIDA SUB SEC 3

This home is located in a uniquely private corner lot at Island Drive and Cape Florida with 19,042 SF as per survey and over 25,000 SF of enjoyment, with a water frontage of 77 feet to accommodate comfortably a large boat. Boaters paradise with absolute privacy. This home features marble floors throughout, remodeled kitchen and plenty of space with over 5100 SF under A/C, 5 Beds, 5 Baths. See SURVEY attached for measurements (Second Survey available as well).

Listing courtesy of: BHHS EWM Realty

$6,588,000 (+0% ) - Key Biscayne, FL

130 Knollwood Dr - Key Biscayne, FL 33149
  • Beds: 3 Baths: 3
    Type: Single Family Residence
  • MLS ID: A11067529
    Sq Ft: 2102
  • Sub: CAPE FLA SUB SEC 2
    Development: CAPE FLA SUB SEC 2
    Complex: CAPE FLA SUB SEC 2

Rare opportunity to own an over-sized 15,000 SF Waterfront lot located on the highly desirable Knollwood Drive in Key Biscayne. Lot features a New Boat Lift, over 100 FT of water frontage, and under 3 minute access to open Ocean Waters from private dock. Full architectural plans and renderings on hand for a new construction 7,035 SF under A/C home. Or simply remodel the current existing 3,541 SF home with turn-key architectural plans and actual cash value appraisal report on hand for a full renovation of this one of a kind property.

Listing courtesy of: NestWise Real Estate LLC

$4,950,000 (+0% ) - Key Biscayne, FL

325 Pacific Rd - Key Biscayne, FL 33149
  • Beds: 4 Baths: 4
    Type: Single Family Residence
  • MLS ID: A11094751
    Sq Ft: 5269
  • Sub: HOLIDAY COLONY
    Development: HOLIDAY COLONY
    Complex: HOLIDAY COLONY

Great Opportunity to own a Home in desirable Holiday Colony! This Island Oversized lot of 12,000 Sq Ft boasts a beautiful Three-story house with a Luscious garden! This 4BR/4.5BA Home Features a Heated Pool, Gourmet Kitchen, Wood and Marble floors throughout, Impact Windows & a Spacious Backyard great for entertaining family & friends! Located in Holiday Colony a 5 minute Walk to the beach, Island shops and restaurants! Holiday Colony is a well-established community that is known for its Close Proximity to the Beach. Its the Only Single family area on the island East of Crandon Blvd.

Listing courtesy of: Arch Realty Inc

$4,750,000 (+0% ) - Key Biscayne, FL

315 Cypress Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family Residence
  • MLS ID: A11023958
    Sq Ft: 2109
  • Sub: TROPICAL ISLE HOMES SUB 4
    Development: TROPICAL ISLE HOMES SUB 4
    Complex: TROPICAL ISLE HOMES SUB 4

Select finishes and colors with the Developer. Enjoy Island living with a brand new, single family home scheduled for completion in the Summer of 2022. Beautiful finishes will leave you breathless for this contemporary, spacious 5 bd/5ba/2 half bath home located on an oversized corner lot, steps from Key Biscaynes top schools, parks, and commercial centers. This 4,050 SF (under A/C) home sits on a quiet, residential street with easy access to Harbor Drive. The open floor plan defines luxurious Key living at its best, with a modern Italian kitchen including top of the line appliances, swimming pool with patio, covered terrace with outdoor summer kitchen, impact windows/doors, and large carport. Built by P.K. Contractors Group, LLC.

Listing courtesy of: P.K. Realty Group, LLC.

$4,500,000 (+0% ) - Key Biscayne, FL

601 S Mashta Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family Residence
  • MLS ID: A11100227
    Sq Ft: 3868
  • Sub: MASHTA ISLAND A REPLAT OF
    Development: MASHTA ISLAND A REPLAT OF
    Complex: MASHTA ISLAND A REPLAT OF

1 of a kind 4265sqft Spanish designed home on Mashta Island featuring imported marble throughout, vaulted wood ceilings, 2 courtyards and an elevator.Bathrooms have one of a kind cabinetry and millwork with hotel inspired wallpaper. Custom Kitchen with La CornueFe dual gas range, state of the art appliances,custom Italian wood cabinets w/Bronze tinted glass and a hand made French country style hood.Private 2nd floor Master bed featuring an anteroom, Imported Bistro Chevron wood floors and a private 400sqft terrace.Master bath has a free standing gold tub, marble walls, 24k gold tile and electric toilet.A custom oversized sauna that includes home gym, 250inch tv wall, free standing tub and unique wall urinal.Billiard room terrace and amazing pool with summer kitchen w/BBQ pit. A MUST SEE

Listing courtesy of: Real Estate Factory of S. Florida Inc

$4,400,000 (+0% ) - Key Biscayne, FL

150 Buttonwood Dr - Key Biscayne, FL 33149
  • Beds: 5 Baths: 5
    Type: Single Family Residence
  • MLS ID: A10800570
    Sq Ft: 3584
  • Sub: TROPICAL ISLE HOME SUB 4
    Development: TROPICAL ISLE HOME SUB 4
    Complex: TROPICAL ISLE HOME SUB 4

This beautiful contemporary 5/5.1 house in one of the best streets of KB features floor-to-ceiling impact windows with automated shades and blackouts. Marble and wood flooring, Mia Cuccina kitchen with top of the line appliances, German bathroom fixtures, Toto automated toilets and camera system. The covered terrace/BBQ area overlooks the waterfall/hot tub & pool surrounded by a lighted & sprinklered landscaping. A must see!

Listing courtesy of: Lumer Real Estate
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