$7,950,000list price
Price cut$650,000
5 bd · 4.5 ba · 4,166 sq ft House
545 SABAL PALM #33149, KEY BISCAYNE, FL 33149
Listing courtesy of DLS International Realty. MLS# A11855412.On the MLS · Listed Feb 9
$8,000,000
544 WARREN LN #33149, KEY BISCAYNE, FL 33149
6 beds5.5 baths1,044 sq ftHouseBuilt 2026
Updated today, November 3, 2026This home against Key Biscayne
$7,663 per sq ft, 530% over the Key Biscayne median
68 days on the market
$29,546 in property taxes (2025)
7,841 sq ft lot
Private pool
Key Biscayne today: 129 homes for sale, median list price $2,725,000.
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.
Zoned schools
Elementary: Key Biscayne K-8 Center
Middle: Ponce de Leon Middle School
High: Coral Gables Senior High School
From Miami-Dade County Public Schools attendance zones.
Listing courtesy of Duncan Studio Real Estate Division PLLC. MLS# A12079811.
Listing information is provided by the MLS and is deemed reliable but not guaranteed.
Listed August 27, 2026.
Similar homes near KEY BISCAYNE
$7,599,000list price
Per sq ft$1,909
6 bd · 7 ba · 3,980 sq ft House
315 CYPRESS DR #33149, KEY BISCAYNE, FL 33149
Listing courtesy of Lifestyle International Realty. MLS# A12107414.On the MLS · Listed Oct 14
$8,500,000list price
Per sq ft$2,029
6 bd · 6.5 ba · 4,190 sq ft House
238 BUTTONWOOD DR #33149, KEY BISCAYNE, FL 33149
Listing courtesy of Douglas Elliman. MLS# A12021891.On the MLS · Listed May 19
$7,490,000list price
Per sq ft$1,988
5 bd · 6 ba · 3,768 sq ft House
571 GLENRIDGE RD #33149, KEY BISCAYNE, FL 33149
Listing courtesy of Luxe Living Realty. MLS# A12025834.On the MLS · Listed May 26
$7,450,000list price
Per sq ft$1,632
7 bd · 8 ba · 4,565 sq ft House
425 HARBOR DR #33149, KEY BISCAYNE, FL 33149
Listing courtesy of One Sotheby's International Realty. MLS# A12034564.On the MLS · Listed Jun 10
$7,390,000list price
Price cut$200,000
6 bd · 5.5 ba · 4,043 sq ft House
741 HARBOR DR #33149, KEY BISCAYNE, FL 33149
Listing courtesy of Coldwell Banker Realty. MLS# A11976789.On the MLS · Listed Oct 5