House for Sale
$7,390,000
6 bd · 7 ba · 4,043 sqft
741 Harbor Dr, Key Biscayne, FL 33149
BISCAYNE KEY ESTATES
Key Biscayne, FL 33149 · MLS# A12021891 · Active · TROPICAL ISLE HOMES SUB 4
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!
School assignments are provided by the listing and should be independently verified.
Estimate only — actual rates, taxes and insurance vary. Not a loan offer or financial advice. Financing through Matthew Gromadzki, NMLS #2560919 · Innovative Mortgage Services, Inc., NMLS #250769.
238 Buttonwood Dr, Key Biscayne, FL 33149 · See all Key Biscayne homes for sale
House for Sale
$7,390,000
6 bd · 7 ba · 4,043 sqft
BISCAYNE KEY ESTATES
House for Sale
$9,800,000
6 bd · 7 ba · 5,826 sqft
CAPE FLORIDA SUB SEC 3
House for Sale
$8,000,000
6 bd · 6 ba · 1,044 sqft
TROPICAL ISLE HOMES SUB
House for Sale
$5,785,000
5 bd · 6 ba · 3,495 sqft
BISCAYNE KEY ESTATES
House for Sale
$5,600,000
5 bd · 5 ba · 3,197 sqft
BISCAYNE KEY ESTATES
House for Sale
$7,450,000
7 bd · 9 ba · 4,565 sqft
TROPICAL ISLE HOMES SUB 3
House for Sale
$7,490,000
5 bd · 7 ba · 3,768 sqft
TROPICAL ISLE HOMES SUB
House for Sale
$5,990,000
5 bd · 5 ba · 4,759 sqft
TROPICAL ISLE HOMES SUB 3
238 Buttonwood Dr is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on May 21, 2026 by Douglas Elliman, it's currently listed at $8,500,000. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Keybiscayne, Ponce De Leon and Coral Gables. 238 Buttonwood Dr is a 6-bed, 7-bath, 4,190 sqft single family home built in 2026.