Homes for sale in Key Biscayne
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Single Family Residence
238 Buttonwood Dr
Key Biscayne, FL 33149
$8,500,000
- Beds
- 6
- Baths
- 6 + 1 half
- Sq ft
- 4,190
- Year built
- 2026
- Price per sq ft
- $2,029
Listing courtesy of Fernanda Moreno, Douglas Elliman
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!
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!
Details
Property
- Type
- Single Family Residence
- Style
- Attached, Two Story
- Building
- Pool Only
- Year built
- 2026
- Lot size
- 8,916 sq ft
- Building name
- TROPICAL ISLE HOMES SUB 4
- Subdivision
- TROPICAL ISLE HOMES SUB 4
- County
- Miami-Dade County
- Faces
- East
- View
- Garden
- Flood zone
- AE
Interior
- Appliances
- Trash Compactor, Dishwasher, Dryer, Microwave, Electric Range, Refrigerator, Washer
- Flooring
- Wood
- Cooling
- Central Air
- Heating
- Central
- Laundry
- Utility Room/Laundry
- Features
- First Floor Entry, Built-in Features, Closet Cabinetry, Entrance Foyer, Pantry, Walk-In Closet(s), Den/Library/Office, Utility Room/Laundry
Exterior and parking
- Exterior
- Built-In Grill, Fruit Trees, Open Balcony
- Patio and porch
- Open Balcony, Patio
- Pool
- In Ground, Heated
- Parking
- Covered
- Garage spaces
- 2
- Construction
- Concrete Block Construction
- Roof
- Concrete
Community and fees
- Pets
- Yes
- Annual taxes
- $12,000
- Terms
- All Cash, Conventional
Neighborhood
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The data relating to real estate for sale or lease on this website comes in part from the Internet Data Exchange (IDX) program of MIAMI REALTORS® MLS. Listings are provided by participating brokers.
Information is deemed reliable but is not guaranteed and should be independently verified. It is subject to change and is provided for consumers’ personal, non-commercial use only, to identify properties they may be interested in. Listing last updated September 21, 2026.