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Single-Family Homes in Key Biscayne, FL
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3 bedsWith a pool

Single-Family Homes in Key Biscayne, FL

Single-Family Homes in Key Biscayne, FL

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24 of 32 Listings
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Single-Family Homes in Key Biscayne, FL

24 of 32 Listings

Your Key Biscayne agent

JA

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Portal Real EstateCall Jonathan
  1. 475 Woodcrest Rd — photo73Active

    $4,500,000

    4 bd · 3 ba · 2,689 sqft

    475 Woodcrest Rd, Key Biscayne, FL

    Alejandra Gil · Florida Realty of Miami Corp

  2. 755 Curtiswood Dr — photo41Active

    $5,600,000

    5 bd · 5 ba · 3,197 sqft

    755 Curtiswood Dr, Key Biscayne, FL

    Pablo Rodriguez · Scale Commercial Realty

  3. 131 Cape Florida Dr — photo52Active

    $16,500,000

    6 bd · 7 ba · 7,103 sqft

    131 Cape Florida Dr, Key Biscayne, FL

    Lucas Boccheciampe · Vantage Real Estate LLC

  4. 119 Harbor Dr — photo12Active

    $3,300,000

    3 bd · 2 ba · 1,554 sqft

    119 Harbor Dr, Key Biscayne, FL

    Bruno Ricci · Fortune Christie's International Real Estate

  5. 544 Warren Ln — photo59Active

    $8,000,000

    6 bd · 6 ba · 1,044 sqft

    544 Warren Ln, Key Biscayne, FL

    James Duncan · Duncan Studio Real Estate Division PLLC

  6. 501 Bay Lane — photo41Active

    $5,990,000

    5 bd · 5 ba · 4,759 sqft

    501 Bay Lane, Key Biscayne, FL

    Brigitte Nachtigall · One Sotheby's International Realty

  7. 335 W Enid Dr — photo39Active

    $5,785,000

    5 bd · 6 ba · 3,495 sqft

    335 W Enid Dr, Key Biscayne, FL

    Victoria De Giraldo · BHHS EWM Realty

  8. 520 S Mashta Dr — photo38Active

    $19,900,000

    5 bd · 4 ba · 3,085 sqft

    520 S Mashta Dr, Key Biscayne, FL

    Maureen Jauregui · Coldwell Banker Realty

  9. 241 Cape Florida Dr — photoPrice Reduced100Active

    $27,900,000

    8 bd · 9 ba · 9,159 sqft

    241 Cape Florida Dr, Key Biscayne, FL

    Rosa Nelly Minano · Cervera Real Estate Inc.

  10. 161 Cape Florida Drive — photoPrice Reduced42Active

    $14,490,000

    4 bd · 6 ba · 6,661 sqft

    161 Cape Florida Drive, Key Biscayne, FL

    Brigitte Nachtigall · One Sotheby's International Realty

  11. 631 N Mashta Drive — photo49Active

    $18,500,000

    4 bd · 5 ba · 2,255 sqft

    631 N Mashta Drive, Key Biscayne, FL

    Javier Gustavo Quiroz · Coldwell Banker

  12. 650 Curtiswood Dr — photo41Active

    $5,199,000

    6 bd · 5 ba · 3,356 sqft

    650 Curtiswood Dr, Key Biscayne, FL

    Claudine Coto · One Sotheby's International Realty

  13. 797 Glenridge Rd — photoPrice Reduced37Active

    $5,100,000

    5 bd · 5 ba · 3,535 sqft

    797 Glenridge Rd, Key Biscayne, FL

    Camila Freytes De Marotta · Swann Realty Partners, LLC.

  14. 425 Harbor Dr — photo50Active

    $7,450,000

    7 bd · 9 ba · 4,565 sqft

    425 Harbor Dr, Key Biscayne, FL

    Mark Chatburn · One Sotheby's International Realty

  15. 625 Curtiswood Dr — photo48Active

    $9,200,000

    5 bd · 6 ba · 4,416 sqft

    625 Curtiswood Dr, Key Biscayne, FL

    Jennifer Molina · One Sotheby's International Realty

  16. 571 Glenridge Rd — photoOpen house Wed, Oct 14 · 12:00 PM45Active

    $7,490,000

    5 bd · 7 ba · 3,768 sqft

    571 Glenridge Rd, Key Biscayne, FL

    Dora Puig · Luxe Living Realty

  17. 238 Buttonwood Dr — photo22Active

    $8,500,000

    6 bd · 7 ba · 4,190 sqft

    238 Buttonwood Dr, Key Biscayne, FL

    Fernanda Moreno · Douglas Elliman

  18. 485 W Matheson Dr — photo82Active

    $237,000,000

    5 bd · 9 ba · 11,528 sqft

    485 W Matheson Dr, Key Biscayne, FL

    Jill Eber · Coldwell Banker Realty

  19. 255 Ridgewood Rd — photo30Active

    $3,550,000

    4 bd · 3 ba · 2,177 sqft

    255 Ridgewood Rd, Key Biscayne, FL

    Maria Parra Loughlin · Compass Florida, LLC.

  20. 690 Warren Ln — photoPrice Reduced39Active

    $5,378,000

    4 bd · 4 ba · 3,549 sqft

    690 Warren Ln, Key Biscayne, FL

    Brigitte Nachtigall · One Sotheby's International Realty

  21. 685 Harbor Ln — photo46Active

    $6,950,000

    5 bd · 6 ba · 5,421 sqft

    685 Harbor Ln, Key Biscayne, FL

    Marisela Gonzalez Servat · Avanti Way Realty LLC

  22. 524 Warren Ln — photoPrice Reduced61Active

    $3,730,000

    5 bd · 4 ba · 2,700 sqft

    524 Warren Ln, Key Biscayne, FL

    Fabrice Ernandes · Serhant

  23. 640 S Mashta Dr — photo38Active

    $16,800,000

    4 bd · 4 ba · 3,620 sqft

    640 S Mashta Dr, Key Biscayne, FL

    Brigitte De Langeron · DLS International Realty

  24. 24 Grand Bay Estates Circle — photoPrice Reduced64Active

    $4,899,000

    5 bd · 6 ba · 4,220 sqft

    24 Grand Bay Estates Circle, Key Biscayne, FL

    Anthony D Vlahovic · Engel & Voelkers Vero Beach

12

About Single-Family Homes in Key Biscayne, FL

Single-Family Homes in Key Biscayne, FL: 32 active listings as of October 13, 2026, 04:57 UTC.

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BeachesMLS
All listings featuring the BMLS logo are provided by Beaches MLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Information is provided exclusively 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.
Listing information ©2026 Beaches Multiple Listing Service®. All Rights Reserved. Data Last Updated: 2026-10-10 08:02:26 UTC
MIAMI REALTORS MLS
The multiple listing information is provided by MIAMI Association of Realtors® from a copyrighted compilation of listings. The compilation of listings and each individual listingare ©2026 MIAMI Association of Realtors®. All Rights Reserved.
The information provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Last Updated: 2026-10-12 14:05:14 UTC
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    Your Key Biscayne agent

    JA

    Jonathan Alfonso

    Portal Real Estate

    Lic. #3306632

    Portal Real EstateCall Jonathan

    Key Biscayne, FL community profile

    Population
    15,327
    Median income
    $154,457
    Housing units
    7,079
    People per sq. mi.
    982.5
    Area
    15.6 sq. mi.

    Source: HJN community data

    Key Biscayne housing market

    September 2026 · This period is still settling

    Selling at 94.7% of asking price

    Buyers here are paying below asking. MLS · 15 sales · as of Sep 30, 2026

    Homes on the market · MLS, as of Sep 27, 2026

    Median list price
    $2,600,000
    Homes for sale
    139

    Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

    Median home size
    1,838 sq. ft.