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. 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.

Features
Swimming Pool
Heating System
Cooling System
View
Patio:
Porch, Open
Appliances
Architectural Style
Parking Features
Roof:
Concrete
Sewer
Address Map
State:
FL
County:
Miami-Dade
City:
Key Biscayne
Zipcode:
33149
Street:
544 Warren Ln, Key Biscayne, Florida 33149
Longitude:
W81° 49' 50.7''
Latitude:
N25° 41' 29.2''
MLS Addon
Bathrooms Total:
6
Building Area:
2,229 Sqft
Carport Spaces:
2
Construction Materials:
Block
Direction Faces:
Southeast
Elementary School:
Keybiscayne
Exterior Features
Flooring:
Wood, Hardwood, Marble
Interior Features
Internet Address Display:
1
Internet Listing Display:
1
Lot Features
Parcel Number:
24-52-05-002-0160
Subdivision Name:
TROPICAL ISLE HOMES SUB
Tax Annual Amount:
$29,546
Utilities
Virtual Tour:
Click Here
Window Features:
Impact Glass

Residential For Sale

544 Warren Ln, Key Biscayne, Florida 33149, Key Biscayne, Florida 33149

6 Bedrooms
5 Bathrooms
1,044 Sqft
$8,000,000
MLS # #A12079811
Basic Details
Property Type :
Residential
Listing Type :
For Sale
Price :
$8,000,000
Bedrooms :
6
Bathrooms :
5
Half Bathrooms :
1
Square Footage :
1,044 Sqft
Year Built :
2026
Lot Area :
7,828 Sqft
MLS # :
A12079811
Property Sub Type :
Single Family Residence
Agent info
Contact Agent