Key Biscayne Homes for Sale

Welcome to Key Biscayne, a hidden gem located in Miami-Dade County, Florida. This picturesque island town is a coveted destination for those seeking a luxurious and serene lifestyle. Key Biscayne offers a unique blend of natural beauty, upscale amenities, and a tight-knit community, making it an ideal place to call home.

With a variety of homes for sale in Key Biscayne, there is something to suit every taste and preference. From stunning waterfront properties with private docks to elegant condos with panoramic ocean views, the real estate market in Key Biscayne is diverse and dynamic. Whether you are looking for a cozy beachfront retreat or a spacious family home, Key Biscayne has it all.

Living in Key Biscayne means enjoying a relaxed coastal lifestyle while still being close to the vibrant city of Miami. Residents have access to beautiful beaches, top-rated schools, world-class dining, and a range of outdoor activities, making it a desirable place to live for families, retirees, and young professionals alike.

If you are considering making Key Biscayne your home, explore the available homes for sale and discover the perfect property to suit your needs and lifestyle. Experience the magic of Key Biscayne and make your real estate dreams a reality in this exclusive island paradise.

Newest Key Biscayne Homes for Sale

131 Cape Florida Dr, Key Biscayne — Cape Florida Sub Sec 3 $16,500,000

Brand-new construction on a 14,900 SF lot with 100 feet of water frontage on Cape Florida Drive, one of Key Biscayne's most coveted addresses. Over 7,000 SF under air is ...

6 Beds
7 Baths
A12082460 MLS
Cape Florida Sub Sec 3 Bldg.

119 Harbor Dr, Key Biscayne — Tropical Isle Homes Sub 4 $3,300,000

Rare opportunity to own a 7,500 SF lot on coveted Harbor Drive, one of Key Biscayne’s most desirable residential streets. An exceptional homesite to build your dream isla...

3 Beds
2 Baths
A12082121 MLS
Tropical Isle Homes Sub 4 Bldg.

544 Warren Ln, Key Biscayne — Tropical Isle Homes Sub $8,000,000

New construction, this extraordinary custom Cape Dutch residence is a masterwork of timeless design, brought to life by Duncan and Heuser Design and Development, with int...

6 Beds
6 Baths
A12079811 MLS
Tropical Isle Homes Sub Bldg.

571 S Mashta Dr, Key Biscayne — Mashta Island A Replat Of $6,350,000 ▲

Enjoy your own paradise in the paradise—an exceptional, move-in-ready residence on prestigious Mashta Island, one of Key Biscayne's most exclusive and tranquil enclaves. ...

4 Beds
3 Baths
A12076783 MLS
Mashta Island A Replat Of Bldg.

501 Bay Lane, Key Biscayne — Tropical Isle Homes Sub 3 $5,990,000

Prime location on one of Key Biscayne’s most exclusive residential streets, surrounded by some of the island’s most prestigious waterfront estates. An exceptional opportu...

5 Beds
5 Baths
A12074814 MLS
Tropical Isle Homes Sub 3 Bldg.

520 S Mashta Dr, Key Biscayne — Mashta Island A Replat Of $19,900,000

Seize a rare opportunity to create a landmark waterfront estate on one of the largest residential lots in Key Biscayne’s exclusive Mashta Island enclave. Spanning an extr...

5 Beds
4 Baths
A12071221 MLS
Mashta Island A Replat Of Bldg.

241 Cape Florida Dr, Key Biscayne — Cape Florida Sub Sec 3 $27,900,000 ▼

Spectacular contemporary estate set on a coveted cul-de-sac along Cape Florida Dr., one of Key Biscayne’s most prestigious and private addresses. Situated on a 23,724 sq ...

8 Beds
9 Baths
A12069861 MLS
Cape Florida Sub Sec 3 Bldg.

161 Cape Florida Drive, Key Biscayne image

161 Cape Florida Drive, Key Biscayne — Cape Florida Sub Sec 3 $14,990,000

Best-priced waterfront residence on Key Biscayne, offering an exceptional 100 feet of water frontage and a true boater's paradise. Tucked away on one of Paradise Island's...

4 Beds
6 Baths
A12051668 MLS
Cape Florida Sub Sec 3 Bldg.

631 N Mashta Drive, Key Biscayne $18,500,000

BRING ALL OFFERS! Exceptional waterfront opportunity in prestigious Key Biscayne. Set on a 15,000 sq. ft. lot with 100 feet of water frontage, this residence offers open-...

4 Beds
B26058354 MLS

165 Hampton Ln, Key Biscayne — Tropical Isle Homes Sub 4 $8,250,000

There are homes that are beautiful, and then there are homes that leave a lasting impression. This extraordinary brand-new 2026 designed by Kubik is one of a kind. With ...

6 Beds
9 Baths
A12040744 MLS
Tropical Isle Homes Sub 4 Bldg.

797 Glenridge Rd, Key Biscayne — Biscayne Key Estates $5,200,000

Beautiful elevated Mediterranean-style residence offering 5 bedrooms, 4.5 bathrooms, plus a den/office, surrounded by lush tropical landscaping that creates a true privat...

5 Beds
5 Baths
A12037837 MLS
Biscayne Key Estates Bldg.

650 Curtiswood Dr, Key Biscayne — Biscayne Key Estates $5,199,000

Elevated six-bedroom home on a quiet island street, centrally located. Double-high ceilings in the living room, marble flooring, wood floors in bedrooms, two en suite roo...

6 Beds
5 Baths
A12035700 MLS
Biscayne Key Estates Bldg.