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3 bedsNew constructionWith a pool
5 Bedroom Homes in Key Biscayne, FL
16 listings

5 Bedroom Homes in Key Biscayne, FL

5 Bedroom Homes in Key Biscayne, FL

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16 Listings
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5 Bedroom Homes in Key Biscayne, FL

16 Listings

  1. 501 Bay Lane — photo41Active

Your Key Biscayne agent

JA

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Portal Real EstateCall Jonathan

$5,990,000

5 bd · 5 ba · 4,759 sqft

501 Bay Lane, Key Biscayne, FL

Brigitte Nachtigall · One Sotheby's International Realty

  • 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

  • listing photo28Active

    $3,975,000

    5 bd · 5 ba · 3,186 sqft

    Address withheld · Key Biscayne, FL

    Ana Rodrigues Da Cruz · Coldwell Banker Realty

  • 797 Glenridge Rd — photo39Active

    $5,200,000

    5 bd · 5 ba · 3,535 sqft

    797 Glenridge Rd, Key Biscayne, FL

    Camila Freytes De Marotta · Swann Realty Partners, LLC.

  • 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

  • 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

  • 799 Crandon Blvd Ph-8 — photo47Active

    $18,500,000

    5 bd · 6 ba · 4,566 sqft

    799 Crandon Blvd Ph-8, Key Biscayne, FL

    Natalia Anda · Coldwell Banker Realty

  • 350 Ocean Dr Lph2N — photoPrice Reduced93Active

    $17,900,000

    5 bd · 6 ba · 4,764 sqft

    350 Ocean Dr Lph2N, Key Biscayne, FL

    Giulietta Ulloa · BHHS EWM Realty

  • 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

  • 760 Woodcrest Rd — photo43Active

    $6,395,000

    5 bd · 6 ba · 4,003 sqft

    760 Woodcrest Rd, Key Biscayne, FL

    Xiomara Cortes · Compass Florida, LLC

  • 685 Harbor Ln — photo45Active

    $6,950,000

    5 bd · 6 ba · 5,421 sqft

    685 Harbor Ln, Key Biscayne, FL

    Marisela Gonzalez Servat · Avanti Way Realty LLC

  • 524 Warren Ln — photoPrice Reduced61Active

    $3,730,000

    5 bd · 4 ba · 2,700 sqft

    524 Warren Ln, Key Biscayne, FL

    Fabrice Ernandes · Serhant

  • 24 Grand Bay Estates Circle — photoPrice Reduced64Active

    $4,950,000

    5 bd · 6 ba · 4,220 sqft

    24 Grand Bay Estates Circle, Key Biscayne, FL

    Anthony D Vlahovic · Engel & Voelkers Vero Beach

  • 561 Warren Ln — photo30Active

    $5,995,000

    5 bd · 6 ba · 3,762 sqft

    561 Warren Ln, Key Biscayne, FL

    Josefina Fiorito · Great Properties International LLC

  • 445 Grand Bay Drive Ph-1a — photo52Active

    $18,900,000

    5 bd · 6 ba · 8,435 sqft

    445 Grand Bay Drive Ph-1a, Key Biscayne, FL

    Brigitte Nachtigall · One Sotheby's International Realty

  • 545 Sabal Palm — photoPrice Reduced100Active

    $7,950,000

    5 bd · 5 ba · 4,166 sqft

    545 Sabal Palm, Key Biscayne, FL

    Brigitte De Langeron · DLS International Realty

  • Explore Key Biscayne homes

    By price

    • Under $300K
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    • Under $700K
    • Luxury

    By bedrooms

    • 2 beds
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    • 5 beds

    By type

    • Single family
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    By feature

    • New construction
    • With a pool
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    L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

    Equal Housing OpportunityEqual Housing Lender

    The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

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    Your Key Biscayne agent

    JA

    Jonathan Alfonso

    Portal Real Estate

    Lic. #3306632

    Portal Real EstateCall Jonathan

    Listing data & MLS disclosures

    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: 2026-08-26 00:32:56 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: 2026-09-03 00:14:37 UTC

    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

    June 2026

    Key Biscayne 12-month median sale price trend

    Selling at 94.0% of asking price

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

    Homes that sold · County records, as of Jun 30, 2026

    Median sale price
    $1,390,000$843,750–$2,350,000 typical range
    Price per sq. ft.
    $858
    Sales
    28
    Paid in cash
    71.4%

    Homes on the market · MLS, as of Jun 30, 2026

    Median days on market
    31 days

    Price trend · Assessor repeat sales, as of Jun 30, 2026

    Year-over-year
    3.7%