$8,000,000
544 Warren Ln, Key Biscayne FL 33149
63 days on market
- Bedrooms
- 6
- Bathrooms
- 5.5
- Living area
- 1,044 sqft
- Price per sqft
- $7,663
- Type
- Single Family Residence
- Year built
- 2026
- Taxes
- $29,546/yr
- MLS #
- A12079811
About this home
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.
Estimated subtotal
$2,462/mo
- Principal and interestThe current market rate is not available right now. Enter the rate your lender quoted.
- Not included
- Property taxMLS 2025 annual tax, shown monthly
- $2,462
- HOANot in the MLS record
- Not included
The current market rate is not available right now. Enter the rate your lender quoted.
Estimate. Jumbo and investor loans are often priced differently; verify with your lender. Property tax is the seller's current bill and may be reassessed after purchase. Items marked Not included are not in this total.
Is this the right price?
We send written comps, the full cost of owning it and an offer strategy before you tour or offer.
The neighborhood
Key Biscayne, 33149
Listing courtesy of Duncan Studio Real Estate Division PLLC
Listing data provided by the Miami Association of Realtors MLS, deemed reliable but not guaranteed.