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    544 Warren Ln, Key Biscayne FL 33149 - Key Biscayne, FL - Photo 1
    544 Warren Ln, Key Biscayne FL 33149 - Key Biscayne, FL - Photo 2
    544 Warren Ln, Key Biscayne FL 33149 - Key Biscayne, FL - Photo 3
    544 Warren Ln, Key Biscayne FL 33149 - Key Biscayne, FL - Photo 4
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    59 Photos

    544 Warren Ln, Key Biscayne FL 33149

    Single Family ResidenceActive Listed Date 8-29-2026

    $8,000,000.00

    $7662.84/sq ft

    The home

    Property Description

    New construction, this extraordinary custom Cape Dutch residence is a masterwork of timeless design, brought to life by Duncan and Heuser Design and Development, with interiors curated by James Duncan...

    The details

    Property Details

    MLS#:

    A12079811

    Price:

    $8,000,000

    Type:

    Single Family

    Living Area:

    1,044 Sq Ft

    Bedrooms:

    6

    Bathrooms:

    5

    Property Status:

    Active

    Car Garage:

    N/A

    Year Built:

    2026

    Lot Size:

    7,828 Sq Ft

    Tax Annual:

    $29,546

    Property Location

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    Interior

    Bedrooms
    Bedrooms: 6
    Bathrooms
    Bathrooms Total: 5.50
    Bathrooms Full: 5
    Bathrooms Half: 1
    Appliances
    • Gas Range
    • Ice Maker
    Flooring
    • Marble
    • Wood
    Interior Features
    • First Floor Entry
    • Vaulted Ceiling(s)
    • Walk-In Closet(s)
    • Other
    Door Features: High Impact Doors
    Window Features: Clear Impact Glass
    Heating: Electric
    Cooling:
    • Central Air
    • Electric

    Exterior

    Parking Features
    Garage: No
    • Attached Carport
    • Driveway
    • On Street
    Pool
    Private Pool: Yes
    • In Ground
    Exterior Built-In Grill
    View
    • Garden
    • Pool

    Community / HOA Info

    Association: No
    Type of Association: None
    Association Amenities Additional Amenities
    Senior Community / Over 55: No
    Pets Allowed:

    Additional Property Info

    Tax (Annual): $29,546
    Tax Year: 2025
    Lot Size: 7,828 Sqf
    Parcel Number: 24-52-05-002-0160
    Year Built: 2026
    Water Front: No
    Water Front Features: Not Available
    Subdivision: TROPICAL ISLE HOMES SUB

    School Information

    Elementary School: Keybiscayne
    High School: Mast Academy

    Building Structure

    Construction Materials Concrete Block Construction
    Structure Type:
    • Pool Only
    • House
    Roof Concrete
    Monthly estimate

    Mortgage Calculator

    Listing Details

    Listing Source: A-Miami Association of REALTORS
    Data Status: MLS Data Checked Every 15 Minutes
    Listing Office: Duncan Studio Real Estate Division PLLC
    Listing Office #: 305-979-2520

    Equal Housing Opportunity. The multiple listing information is provided by the Miami Association of REALTORS®, from a copyrighted compilation of listings.

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    Realsperity
    954-644-1052
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    Brokerage Information

    7401 Wiles Rd, Suite# 236

    Coral Springs, FL 33067

    954-644-1052

    realsperity@gmail.com

    Edwin Roman Lic. Re Broker

    About the Broker

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    We are committed to the principles of Fair Housing and Equal Opportunity. All real estate services are provided without regard to race, color, religion, sex, handicap, familial status, national origin, gender identity, or sexual orientation.

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