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3 bedsWith a pool
Homes Over $3M in Key Biscayne, FL — Page 5
125 listings

Homes Over $3M in Key Biscayne, FL

Homes Over $3M in Key Biscayne, FL

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16 of 125 Listings
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Homes Over $3M in Key Biscayne, FL

16 of 125 Listings

  1. 24 Grand Bay Estates Circle — photoPrice Reduced64

Your Key Biscayne agent

JA

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Portal Real EstateCall Jonathan
Active

$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

  • 430 Grand Bay Dr 801 — photoPrice Reduced28Active

    $6,690,000

    2 bd · 4 ba · 3,950 sqft

    430 Grand Bay Dr 801, Key Biscayne, FL

    Adriana Vollmer · Coldwell Banker Realty

  • 430 Grand Bay Dr Unit 801 — photoPrice Reduced28Active

    $6,690,000

    2 bd · 4 ba · 3,950 sqft

    430 Grand Bay Dr Unit 801, Key Biscayne, FL

    Adriana Vollmer · Coldwell Banker Realty

  • 741 Harbor Dr — photoPrice Reduced36Active

    $7,175,000

    6 bd · 7 ba · 4,043 sqft

    741 Harbor Dr, Key Biscayne, FL

    Nathan Zeder · Coldwell Banker Realty

  • 199 Ocean Lane Dr 401 — photo38Active

    $4,500,000

    4 bd · 4 ba · 2,825 sqft

    199 Ocean Lane Dr 401, Key Biscayne, FL

    Florencia Yagodnik · Swann Realty Partners, LLC.

  • 199 Ocean Lane Dr Unit 401 — photo38Active

    $4,500,000

    4 bd · 4 ba · 2,825 sqft

    199 Ocean Lane Dr Unit 401, Key Biscayne, FL

    Florencia Yagodnik · Swann Realty Partners, LLC.

  • 799 Crandon Blvd 605 — photoPrice Reduced77Active

    $3,750,000

    3 bd · 4 ba · 2,510 sqft

    799 Crandon Blvd 605, Key Biscayne, FL

    Ana Victoria Brisky · Urdapilleta Real Estate, 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

  • 350 Ocean Dr Unit 205N — photoPrice Reduced28Active

    $3,500,000

    2 bd · 3 ba · 1,830 sqft

    350 Ocean Dr Unit 205N, Key Biscayne, FL

    Judith Zeder · Coldwell Banker Realty

  • 350 Ocean Dr 205N — photoPrice Reduced28Active

    $3,500,000

    2 bd · 3 ba · 1,830 sqft

    350 Ocean Dr 205N, Key Biscayne, FL

    Judith Zeder · Coldwell Banker Realty

  • 100 Cape Florida Dr — photo68Active

    $19,800,000

    4 bd · 9 ba · 8,240 sqft

    100 Cape Florida Dr, Key Biscayne, FL

    Lucia Marin · One Sotheby's International Realty

  • 881 Ocean Dr 20a — photo32Active

    $3,600,000

    3 bd · 3 ba · 3,120 sqft

    881 Ocean Dr 20a, Key Biscayne, FL

    MariaAmancia Vial-Ducaud · BHHS EWM Realty

  • 110 Hampton Ln — photo24Active

    $6,900,000

    6 bd · 7 ba · 3,550 sqft

    110 Hampton Ln, Key Biscayne, FL

    Jacqueline Molina · Fortune Christie's Intl R.E.

  • 691 Ridgewood Rd — photoPrice Reduced67Active

    $3,800,000

    4 bd · 4 ba · 3,403 sqft

    691 Ridgewood Rd, Key Biscayne, FL

    Felipe Franco · BHHS EWM 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

  • 420 Island Dr — photoPrice Reduced82Active

    $12,485,000

    6 bd · 8 ba · 6,405 sqft

    420 Island Dr, Key Biscayne, FL

    Elena Chacon · BHHS EWM Realty

  • 1…456

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    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.

    © 2026 Realty.com. All rights reserved.·Privacy·Terms·California Privacy Rights·Accessibility·Licensing

    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: 2026-11-05 19:13:21 UTC
    MiamiSouthFlorida
    Listing information provided by MiamiSouthFlorida.
    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: 2026-11-06 16:37:50 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

    October 2026 · This period is still settling

    Selling at 94.2% of asking price

    Buyers here are paying below asking. MLS · 18 sales · as of Oct 30, 2026

    Homes on the market · MLS, as of Oct 18, 2026

    Median list price
    $2,625,000
    Homes for sale
    134

    Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 30, 2026

    Median home size
    1,835 sq. ft.