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544 Warren Ln, Key Biscayne, FL 33149
Offering:
For Sale
Location:
Key Biscayne, FL 33149
Subdivision:
TROPICAL ISLE HOMES SUB
Status:
Active
$8,000,000
Deemed reliable but not guaranteed.
Details
Year built:
2026
Lot size:
7,828 sq ft
Levels:
Two
Stories:
2
Parking:
2 covered
Style:
Detached,Two Story
Faces:
Southeast
Days on market:
24
Annual tax (2025):
$29,546
Type:
Single-family home
MLS ID
A12079811
Virtual tour:
Listed by:
Duncan Studio Real Estate Division PLLC (DNCN01)
Listing office phone:
305-979-2520
Listing office email:
Listing agent:
James Duncan (3231829)
Features
Schools
Elementary:
Keybiscayne
Middle / junior:
Ponce De Leon
High:
Mast Academy
School assignments come from the MLS feed and can change. Verify with the district before relying on them.
Utilities
Available:
Cable Available
Water source:
Public
Sewer:
Public Sewer
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.
Location
544 Warren LnKey Biscayne, FL 33149
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MLS information
Last updated Sep 22, 2026
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
