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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 36 Listings
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Single-Family Homes in Key Biscayne, FL

24 of 36 Listings

Your Key Biscayne agent

JA

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Portal Real EstateCall Jonathan
  1. 360 Harbor Ln — photo25Active

    $9,950,000

    6 bd · 6 ba · 4,341 sqft

    360 Harbor Ln, Key Biscayne, FL

    Judith Zeder · Coldwell Banker Realty

  2. 315 Cypress Dr — photo105Active

    $7,599,000

    6 bd · 8 ba · 3,980 sqft

    315 Cypress Dr, Key Biscayne, FL

    Diego Sosa · Lifestyle International Realty

  3. 177 Ocean Lane Dr — photo18Active

    $1,410,000

    2 bd · 2 ba · 1,260 sqft

    177 Ocean Lane Dr, Key Biscayne, FL

    Sandra Del Castillo · IPM Worldwide Properties

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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.

  13. 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

  14. 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

  15. 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

  16. 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.

  17. 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

  18. 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

  19. 571 Glenridge Rd — photo45Active

    $7,490,000

    5 bd · 7 ba · 3,768 sqft

    571 Glenridge Rd, Key Biscayne, FL

    Dora Puig · Luxe Living Realty

  20. 238 Buttonwood Dr — photo22Active

    $8,500,000

    6 bd · 7 ba · 4,190 sqft

    238 Buttonwood Dr, Key Biscayne, FL

    Fernanda Moreno · Douglas Elliman

  21. 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

  22. 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.

  23. 120 Knollwood Dr — photo45Active

    $19,950,000

    6 bd · 7 ba · 6,208 sqft

    120 Knollwood Dr, Key Biscayne, FL

    Francoise Teixier · Cervera Real Estate Inc.

  24. 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

12

About Single-Family Homes in Key Biscayne, FL

Single-Family Homes in Key Biscayne, FL: 36 active listings as of October 19, 2026, 19:39 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: 2026-10-19 18:13:42 UTC
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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: 2026-10-19 14:04:42 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 · 16 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.