Key Biscayne FL Real Estate & Homes for Sale

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Beds:
6
Baths:
10.00
Sq.Ft.:
7,742
Status:
Active
MLS#:
A11731927
Type:
Single Family
Subdivision:
CAPE FLA SUB SEC 2
Lot size:
0.35 Acres
Year built:
2025
Courtesy: The Corcoran Group Francisco Neri 772-913-5401
View additional info

ADDITIONAL INFORMATION

Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space on a 15,381 SF lot with 106 feet of water frontage. Featuring 6 bedrooms, 8 baths, and 2 half baths, the open-concept design boasts floor-to-ceiling glass, providing stunning views. A 4-person elevator connects all levels, including a third-floor terrace with 360-degree views of the water and Miami skyline. The chef’s kitchen, resort-style pool, summer kitchen, and private dock with direct Bay access make it perfect for entertaining. Boating enthusiasts will appreciate the ski boat crane. This estate combines modern elegance, privacy, and top-tier amenities in one of Miami’s most exclusive areas.

Beds:
4
Baths:
5.00
Sq.Ft.:
2,255
Status:
Active
MLS#:
R11060323
Type:
Single Family
Subdivision:
MASHTA ISLAND
Year built:
1958
A broker reciprocity listing Courtesy: Coldwell Banker 561-395-2233
View additional info

ADDITIONAL INFORMATION

BRING ALL OFFERS - Waterfront Dream Home in the Making!Key Biscayne's Ultimate Boater's Paradise - Fully Renovated Luxury Residence Coming SoonThis is a rare and exceptional opportunity to own a like-new, fully renovated luxury home in one of Key Biscayne's most exclusive waterfront enclaves. Currently under an extensive renovation with expected completion in approximately 5 months, this residence is being reimagined with the highest standards of modern design, comfort, and functionality.A Complete Transformation - Inside and OutThis is not just a cosmetic update -- this is a down-to-the-studs, full-scale renovation that will result in a completely refreshed and reimagined home. Upon completion, this property will boast:

Beds:
3
Baths:
2.00
Sq.Ft.:
1,790
Status:
Active
MLS#:
F10483791
Type:
Condo
Subdivision:
Key Colony
Year built:
1981
A broker reciprocity listing Courtesy: FlatFee.com 954-965-3990
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ADDITIONAL INFORMATION

Beautiful and very spacious 3 bedroom/2 bathroom with an office/storage space. Brand new flooring, new blinds on all windows, new closets in all bedrooms. New kitchen pantry. Amenities include private beach access, pools, 12 tennis courts, banquet room, gym, kids playground and much more. There is beauty salon and grocery store (Golden Hog).

Beds:
2
Baths:
2.00
Sq.Ft.:
1,409
Status:
Active
MLS#:
A11733552
Type:
Condo
Subdivision:
TOWERS OF KEY BISCAYNE CON
Year built:
1971
Courtesy: The Orange Group Valentina Lopez 305-790-2632
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ADDITIONAL INFORMATION

BEAUTIFUL AND SPACIOUS 2 BEDROOM/2BATHROOM UNIT WITH BEACH FRONT ACCESS AND OCEAN VIEWS. LOCATED IN THE MOST EXCLUSIVE ISLAND IN MIAMI WITH AMAZING PUBLIC AND PRIVATE SCHOOLS. THE CONDO IS VERY WELL MAINTAINED AND AMENITIES INCLUDE A DELICIOUS ITALIAN RESTAURANT, 2 LAP POOLS, BBQ AREA, SPA, GYM, HAIR/NAIL SALON, TENNIS COURTS, CARD ROOM, POOL ROOM.

Beds:
1
Baths:
2.00
Sq.Ft.:
895
Status:
Active
MLS#:
F10472288
Type:
Condo
Subdivision:
COMMODORE CLUB CONDOMINIU
Year built:
1973
A broker reciprocity listing Courtesy: Charles Rutenberg Realty FTL 954-396-3001
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ADDITIONAL INFORMATION

SELLERS MOTIVATED!!! UNOBSTRUCTED VIEWS OF CITY, BAY AND A PEEK AT THE OCEAN. This well-maintained apartment is situated in a quiet corner of the building w/ a huge terrace and overlooks Crandon Park and Downtown Miami. The apartment is spacious and bright with northerly exposure. The apartment has brand new luxury vinyl planks, smooth ceilings (popcorn removed) updated electrical switches/outlets, freshly painted thru the entire apartment. Newly freshened up kitchen cabinets with Staineless steel appliances and move in ready. Magical views !!! Building is very well maintained with many recent updates. No special assessments on the table and many recent improvements made to the building. Steps from the beach and all that Key Biscayne has to offer.

Beds:
3
Baths:
3.00
Sq.Ft.:
2,510
Status:
Active
MLS#:
F10471102
Type:
Condo
Subdivision:
Ocean Club
Year built:
2002
A broker reciprocity listing Courtesy: Agent Plus Realty 954-605-2954
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ADDITIONAL INFORMATION

Amazing views of the Atlantic Ocean, Biscayne Bay and Beach from this newly renovated high floor unit. Located in one of the most desirable locations in South Florida, The Ocean Club Key Biscayne is a luxurious private community with world class amenities and services (direct beach access, several pools, gyms, sauna, 8 har-tru lit tennis courts, spa, beauty and fitness center, group & private classes, restaurants, beach bar, valet parking, front desk). This large high floor 3bed/3bath/2parking spots unit in the Ocean Tower One offers incredible views, with each room featuring floor to ceiling sliding doors, expansive balconies, direct in-unit elevator. Minutes away from Key Biscayne Yacht Club, Crandon Golf Club, short ride from downtown Miami, Miami airport, and South Beach.

Beds:
7
Baths:
8.00
Sq.Ft.:
6,240
Status:
Active
MLS#:
A11657338
Type:
Single Family
Subdivision:
TROPICAL ISLE HOMES SUB 4
Lot size:
0.46 Acres
Year built:
2003
Courtesy: One Sotheby's International Realty Brigitte Nachtigall 305-710-9664
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ADDITIONAL INFORMATION

Welcome to an extraordinary European style waterfront estate, where luxury and elegance meet the tranquility of coastal living.This 3-story custom-built masterpiece boasts a spectacular social area with soaring high ceilings, creating an ambiance of grandeur and openness. This estate features 7 lavish bedrooms,7.5 opulent bathrooms, private office, cozy family room, extraordinary chef’s kitchen all designed with meticulous attention to detail and the finest finishes. Step into a world of breathtaking and captivating views, where every window frames the stunning panorama of the bay and the iconic Miami skyline. The outdoor living spaces invite you to enjoy serene and unforgettable sunsets. A sanctuary of sophistication and comfort with dock, garages, elevator, and an unparalleled lifestyle.

Beds:
4
Baths:
5.00
Sq.Ft.:
6,661
Status:
Active
MLS#:
A11621943
Type:
Single Family
Subdivision:
CAPE FLORIDA SUB SEC 3
Lot size:
0.33 Acres
Year built:
1983
Courtesy: One Sotheby's International Realty Cassio Galiza 305-319-2777
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ADDITIONAL INFORMATION

MAJOR PRICE IMPROVEMENT!! Experience luxury living at its finest in this stunning Key Biscayne waterfront home!. Recently renovated to the highest standard, no expense was spared in creating this masterpiece with new bedrooms, bathrooms, flooring, plumbing, electrical, outdoor deck, kitchen, and appliances. Enjoy the spacious, contemporary design with a private oasis and breathtaking canal views. Natural light streams through soaring ceilings and floor-to-ceiling sliding glass doors, while custom lighting adds a touch of sophistication. The home features 4 generous en-suite bedrooms, a gym (convertible to a 5th bedroom), a gorgeous home theater, powder room, cabana bath, and an outdoor summer kitchen with covered lounge space and boat lift. Additional conveniences include 2 service bedrooms!

Beds:
3
Baths:
4.00
Sq.Ft.:
2,225
Status:
Active
MLS#:
R11000200
Type:
Condo
Subdivision:
101 CONDOMINIUM
Year built:
2015
A broker reciprocity listing Courtesy: LoKation 954-545-5583
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ADDITIONAL INFORMATION

A stunning modern luxury 3/3.5 Condo, Boasting a large open format living room and kitchen, this home is bathed in natural light from floor to ceiling windows and features a sliding door leading to a private wrap-around outdoor terrace, The master suite offers terrace access, a walk-in closet, and a spacious bathroom with Wood floors that adds warmth and elegance, impeccable condition ensures a move in ready experience With 11 ft high ceilings, the unit feels even more spacious and airy, A large utility room with a washer & dryer, sink & ample storage, Impact windows provide peace of mind while a storage unit and 2 parking spaces add to the convenience.This boutique 5 story building offers many amenities including a pool, BBQ area, gym. secured building for relaxation & recreation.

Beds:
8
Baths:
9.00
Sq.Ft.:
9,159
Status:
Active
MLS#:
A11608943
Type:
Single Family
Subdivision:
CAPE FLORIDA SUB SEC 3
Lot size:
0.48 Acres
Year built:
1990
Courtesy: Cervera Real Estate Inc. Rosa Nelly Minano 305-793-6747
View additional info

ADDITIONAL INFORMATION

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 sqft lot with +250 ft of waterfront and elevation of 8.71 ft above sea level, this home offers 8 bedrooms (including a guest suite and 2 staff quarters), 8.5 baths, a private dock, boat lift, and resort-style pool. A grand foyer with soaring ceilings introduces an architectural masterpiece designed by renowned architects and built by Interscope. More features include an elevator, full-home generator, reinforced concrete seawall, 2-car garage + porte-cochere for 4 cars, and driveway for 8+ cars. Discover the exceptional potential of this unique estate—a perfect blend of elegance, privacy, and premier waterfront living.

Beds:
3
Baths:
3.00
Sq.Ft.:
2,510
Status:
Active
MLS#:
F10436936
Type:
Condo
Subdivision:
Ocean Club Key Biscayne
Year built:
2002
A broker reciprocity listing Courtesy: Agent Plus Realty 954-605-2954
View additional info

ADDITIONAL INFORMATION

Amazing views of the Atlantic Ocean, Biscayne Bay and Beach from this high floor unit next to Ritz Carlton Resort. Located in one of the most desirable locations in South Florida, The Ocean Club Key Biscayne is a luxurious private community with world class amenities and services (direct beach access, several pools, gyms, sauna, 8 har-tru lit tennis courts, spa, beauty and fitness center, group & private classes, restaurants, beach bar, valet parking, front desk). This large high floor 3bed/3bath/2parking spots unit in the Ocean Tower One offers incredible views, with each room featuring floor to ceiling sliding doors, expansive balconies, direct in-unit elevator. Minutes away from Key Biscayne Yacht Club, Crandon Golf Club, short ride from downtown Miami, Miami airport, and South Beach.

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176–186 of 186 properties displayed
Andrea D. Conner, License # BK3437731, Xome Inc., License CQ1043756, [email protected], 844-400-XOME, 750 State Highway 121 Bypass, Suite 100, Lewisville, TX 75067

The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited. © 2026 MIAMI Association of REALTORS®, all rights reserved.


Andrea D. Conner, License # BK3437731, Xome Inc., License CQ1043756, [email protected], 844-400-XOME, 750 State Highway 121 Bypass, Suite 100, Lewisville, TX 75067

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2026 BeachesMLS, Inc.




Key Biscayne Real Estate

Key Biscayne is located in Florida. Key Biscayne, Florida has a population of 14,530. Key Biscayne is more family-centric than the surrounding county with 52.87% of the households containing married families with children. The county average for households married with children is 27.22%.

The median household income in Key Biscayne, Florida is $167,990. The median household income for the surrounding county is $57,815 compared to the national median of $69,021. The median age of people living in Key Biscayne is 41.7 years.

Key Biscayne Weather

The average high temperature in July is 88.3 degrees, with an average low temperature in January of 62.1 degrees. The average rainfall is approximately 53.1 inches per year, with 0 inches of snow per year.

Key Biscayne Map

Key Biscayne Real Estate Market Conditions

  • Median sales price

    $1,800,000
    25.1%
    change since last quarter
  • # Active listings

    188
    30-day change

Key Biscayne Schools and Demographics

Education near Key Biscayne, FL

City County
High School Graduates 96.57 82.49
College Degree - 2 year 4.72 9.71
College Degree - 4 year 73.68 31.75
Graduate Degree 21.86 7.55
Expenditures per Student 11,839 11,839
Students per Teacher 18.9 18.9

Elementary Schools near Key Biscayne, FL

Grades Students P/T Ratio ZIP
Ada Merritt K-8 Center PK - 08 727 15.5 33130
Bridgeprep Academy of Greater Miami KG - 05 367 14.7 33132
Downtown Miami Charter School PK - 06 655 14.9 33128
Fienberg/Fisher K-8 Center PK - 08 858 14.5 33139
Key Biscayne K-8 Center PK - 08 1,448 16.4 33149
Lincoln-Marti Charter School Little Havana Campus KG - 08 768 18.7 33130
Mater Academy East Charter PK - 05 634 20.4 33130
Miami Children's Museum Charter School PK - 05 306 16.1 33132
PK Early Intervention Program PK - PK 0 33132
Primary Learning Center PK - 05 401 15.4 33132
Riverside Elementary Community School PK - 05 1,372 15.1 33130
South Pointe Elementary School PK - 05 573 16.4 33139
Southside Elementary School PK - 05 841 16.2 33130

Middle Schools near Key Biscayne, FL

Grades Students P/T Ratio ZIP
Aspira Arts DECO Charter 06 - 08 481 16.6 33132
District Summer Center B KG - 12 0 33132
District Summer Center K KG - 12 0 33132
District Summer Center M KG - 12 0 33132
Mater East Academy Middle School 06 - 08 346 31.4 33130

High Schools near Key Biscayne, FL

Grades Students P/T Ratio ZIP
Charter High School of the Americas 09 - 12 90 90 33130
I Preparatory Academy 09 - 12 207 18.8 33132
Law Enforcement Officers Memorial High School 09 - 12 378 21 33128
Mast Academy 08 - 12 936 18.7 33149
Mater Academy East Charter High School 09 - 12 343 22.9 33130
Miami Beach Senior High School 09 - 12 2,383 22.1 33139
Miami-Dade Virtual High School Franchise 06 - 12 0 33132
New World School of the Arts 09 - 12 500 16.1 33132
School for Advanced Studies-Wolfson 11 - 12 116 29 33132

Ungraded Schools near Key Biscayne, FL

Grades Students P/T Ratio ZIP
Amikids Miami-Dade South 06 - 12 55 33149
District Instructional Center (Dic) KG - 12 0 33132
District Summer Center C KG - 12 0 33132
District Summer Center D KG - 12 0 33132
District Summer Center E KG - 12 0 33132
District Summer Center G KG - 12 0 33132
District Summer Center H KG - 12 0 33132
District Summer Center L KG - 12 0 33132
Franklin Academy E UG - UG 0 33132
Miami Beach Adult & Community Ed Center AE - AE 0 33139
Miami Dade Online Academy-Virtual Instruction Course Offerin KG - 12 0 33132
Miami-Dade Online Academy KG - 12 0 33132
Miami-Dade Online Academy- Virtual Instruction Program KG - 12 301 33132
Young Womens Preparatory Academy 06 - 12 413 18 33130

Demographics near Key Biscayne, FL

City County
Neighborhood Type Suburban
Population 14,530 2,690,113
Population Density 11,652 1,417
Median Age 41.7 40.4
People per Household 3.2 2.8
Median Household Income 167,990 57,815
Average Income per Capita 79,743 31,813

Real estate near Key Biscayne