544 Warren Lane,Key Biscayne, FL 33149
Key Biscayne, FL 33149
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.
Details
| MLS # | A12079811 |
|---|---|
| Listing Type | For Sale |
| Style | House |
| Sub-Type | New Construction |
| Status | Active |
| Year | 2026 |
| Days On Site | 36 |
| Listing Provided By | Duncan Studio Real Estate Division PLLC | James S Duncan |
Features
| Bed(s) | 6 |
|---|---|
| Bath(s) | 6 Total |
| SQ Feet | 1,044 |
| Car Port | Yes |
| Pool | Yes |
| Story(s) | 2 |
| Zoning | 0100 |
| Acreage | 0.18 |
| Property View | Yes |
Exterior
| Lot Features | Sprinklers Automatic |
|---|
Parking
| Garage Yes / No | No |
|---|---|
| Parking Features | Attached Carport, Carport, Driveway, On Street |
Taxes
| Tax Annual Amount | 29546 |
|---|
Area Information
| State | FL |
|---|---|
| County | Miami Dade |
| City | Key Biscayne |
| Zip Code | 33149 |
| Area | 2520 |
| Community Name | TROPICAL ISLE HOMES SUB |
| Listing VS Median (in TROPICAL ISLE HOMES SUB) | |
Price: $8,000,000 low | high Med: $7,745,000 sqft: 1,044 low | high Med: 2,406 $ / sqft: $7,663 low | high Med: $4,825 On site: 36 low | high Med: 82.5 | |
Market Activity 33149
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Learn More About This Property
| State | FL |
|---|---|
| County | Miami Dade |
| City | Key Biscayne |
| Zip Code | 33149 |
| Area | 2520 |
| Community Name | TROPICAL ISLE HOMES SUB |
| Listing VS Median (in TROPICAL ISLE HOMES SUB) | |
Price: $8,000,000 low | high Med: $7,745,000 sqft: 1,044 low | high Med: 2,406 $ / sqft: $7,663 low | high Med: $4,825 On site: 36 low | high Med: 82.5 | |