Single Family Residence
238 Buttonwood Dr
238 Buttonwood Dr, Key Biscayne FL 33149 Get directions
$8,500,000
6 Beds · 6 Baths · 4,190 SqFt
See estimated monthly costThis listing is courtesy of Douglas Elliman. Fernanda Moreno
Overview
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!
Facts & features
Interior
- Living area (sq ft)
- 4,190
- Full bathrooms
- 6
- Half bathrooms
- 1
- First Floor Entry
- Built-in Features
- Closet Cabinetry
- Entrance Foyer
- Pantry
- Walk-In Closet(s)
- Den/Library/Office
- Utility Room/Laundry
Building & exterior
- Year built
- 2026
- Lot size (sq ft)
- 8,916
- Garage spaces
- 2
- Covered spaces
- 2
- Garden
- Built-In Grill
- Fruit Trees
- Open Balcony
- Covered
HOA (homeowners association)
- Pets allowed
- Yes
- No Restrictions
- Ok To Lease
- Yes
Taxes
- Annual tax
- $12,000
- Tax year
- 2025
- Parcel number
- 24-42-32-006-1970
Assigned schools
- Elementary
- Keybiscayne
- Middle
- Ponce De Leon
- High
- Coral Gables
Listing
- MLS number
- A12021891
- Property type
- Single Family Residence
- Price per SqFt
- $2,029
- Subdivision
- TROPICAL ISLE HOMES SUB 4
- On market since
- May 21, 2026
- Days on market
- 123
Estimated monthly cost
$50,356 per month
- Principal & interest (30 yr)
- $42,981
- Property tax
- $1,000
- Insurance (estimated)
- $6,375
An estimate for comparison only — not a loan offer, a quote, or a commitment to lend. Actual taxes, insurance and financing terms will differ.
Location
Nearby schools
- Key Biscayne Presbyterian School
- St Agnes Academy
- St Christophers - By-The-Sea Montessori School
- Key Biscayne K-8 Center
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