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Property for sale
$8,000,000
Single Family Residence
544 Warren Ln, Key Biscayne FL 33149
6
Beds
6
Baths
1,044 sqft
Living area
2026
Year built

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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.

Built in 2026
Property Type: Residential

Property highlights

6 bedrooms
6 bathrooms
1,044 sqft of living area
7,828 sqft lot
Built in 2026
In Ground
Less Than 1/4 Acre Lot
Built-In Grill

Features & Amenities

Interior

First Floor Entry
Vaulted Ceiling(s)
Walk-In Closet(s)
Other

Appliances

Gas Range
Ice Maker

Exterior

Built-In Grill

Community

Additional Amenities

Parking

Attached Carport
Driveway
On Street
$8,000,000 6 beds / 6 baths / 1,044 sqft

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