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Miami Association of REALTORS®

MIAMI ASSOCIATION OF REALTORS® All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Multiple Listing Service. Real estate listings held by brokerage firms other than Marjo Realty Co. may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS.

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Home / Key Biscayne / 544 Warren Ln
544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 544 Warren Ln Key Biscayne, FL 33149 View All Photos

$8,000,000

| Active

544 Warren Ln

Key Biscayne, FL 33149

1,044
Square Feet
6
Beds
5.5
Baths
0.18
Acres
11
Days on Market
A12079811
MLS#
House
Structure
Residential
Zone
Contact

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. Every detail, from the graceful gabled facade to the refined finishes within, reflects a rare devotion to craftsmanship and enduring elegance. Offering six generously proportioned bedrooms and six and a half beautifully appointed bathrooms, this home balances gracious scale with warm, livable comfort. Soaring ceilings, thoughtfully placed windows, and an effortless flow between rooms create a sense of light and openness throughout, while curated materials and bespoke millwork lend a distinctly luxurious character to every space. This is more than a house; it is a legacy residence, designed to be lived in beautifully for generations. A truly rare offering for the discerning buyer seeking timeless architecture, exceptional interiors, and uncompromising quality throughout.

Property Details
Interior
First Floor Entry, Vaulted Ceiling(s), Walk-In Closet(s), Other
Cooling
1
Heating
Electric
Cooling Features
Central Air, Electric
Bedrooms
6
Bathrooms
5.5
Full Baths
5
Half Baths
1
View
Garden,Pool
Lot Features
Less Than 1/4 Acre Lot
Lot Description
Less Than 1/4 Acre Lot
Pool Description
In Ground
Pool Features
In Ground
Exterior Features
Built-In Grill
Exterior Materials
Built-In Grill
Acres
0.18
Square Feet
1044
Lot Size (sqft)
7828.0
Parking Features
Attached Carport, Driveway, On Street
Parking Type
Garage
Parking Carport Spaces
2
Property Type
Purchase
Style
Detached, Two Story
Year Built
2026
Roof
Concrete
Sewer Information
Public Sewer
Utility Source
Municipal Water
Appliances
Gas Range, Ice Maker
Subdivision
TROPICAL ISLE HOMES SUB
Community Features
Additional Amenities
Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Mast Academy
County
Miami-Dade County
Region
Key Biscayne
Zoning
0100
Original List Price
$8,000,000
Taxes Annual
$29,546
MLS #
A12079811
Location
Legal

MIAMI ASSOCIATION OF REALTORS® All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Multiple Listing Service. Real estate listings held by brokerage firms other than Marjo Realty Co. may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS.

Last Updated: Sep 14, 2026 8:54 AM. Source: MAOR

Provided By
Listed by James Duncan (#3231829), Email: james@james-duncan.com
Listing Office: Duncan Studio Real Estate Division PLLC (#DNCN01)

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