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.
- Swimming Pool
- Heating System
- Cooling System
- View
- Patio:
- Porch, Open
- Appliances
- Architectural Style
- Parking Features
- Roof:
- Concrete
- Sewer
- 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''
- 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
- 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
