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$8,000,000

544 Warren Ln, Key Biscayne FL 33149

Key Biscayne, FL 33149

Key Biscayne

6

Bedrooms

6

Bathrooms

1,044

Sq Ft

2026

Year Built

About This Property

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

Property Type Residential
Status Active
Lot Size 7,828 sq ft
Days on Market 24
MLS # d82e3d40b3bf296e5bd6a4c2e2c1fefd