$8,000,000list price
Per sq ft$7,663
6 bd · 5.5 ba · 1,044 sq ft House
544 WARREN LN #33149, KEY BISCAYNE, FL 33149
Listing courtesy of Duncan Studio Real Estate Division PLLC. MLS# A12079811.On the MLS · Listed Aug 27
$8,500,000
238 BUTTONWOOD DR #33149, KEY BISCAYNE, FL 33149
6 beds6.5 baths4,190 sq ftHouseBuilt 2026
Updated today, November 3, 2026This home against Key Biscayne
$2,029 per sq ft, 67% over the Key Biscayne median
168 days on the market
$12,000 in property taxes (2025)
8,712 sq ft lot
Private pool
2 car garage
Key Biscayne today: 129 homes for sale, median list price $2,725,000.
About this home
A unique architectural masterpiece in the heart of Key Biscayne, this brand-new contemporary residence by Praxis Architecture blends modern tropical luxury with exceptional craftsmanship and bespoke European finishes. Set on an oversized 9,000 SF lot, the residence offers 6 bedrooms, 6 full bathrooms, 1 half bath, and over 4,190 SF of curated living space designed around natural light, privacy, and seamless indoor-outdoor living.Imported Spanish porcelain and ceramic surfaces, Italian-engineered wood flooring, Portuguese interior doors, and refined finishes sourced from the United Kingdom create a warm and sophisticated architectural atmosphere throughout. Custom millwork — including the kitchen, bar, wardrobes, and integrated TV units — was exclusively crafted by a French maison specializing in ultra-luxury bespoke cabinetry.The residence highly designed kitchen is equipped with Wolf, Sub-Zero, and Miele appliances, smart-home automation, and integrated security. Outdoor spaces feature a spectacular 36-foot swimming pool, expansive terraces, summer kitchen, lush private garden patio, and multiple entertaining areas designed for effortless resort-style living.Located moments from tennis courts and the Key Biscayne Yacht Club, beaches, marinas, top-rated schools, and the best of island living, this residence represents one of Key Biscayne’s most thoughtfully designed brand new-construction homes - Expected to be finished in July 2026. Easy to Show!
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 Douglas Elliman. MLS# A12021891.
Listing information is provided by the MLS and is deemed reliable but not guaranteed.
Listed May 19, 2026.
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