TROPICAL ISLE HOMES SUB 4
238 Buttonwood Dr, Key Biscayne FL 33149
6 beds · 6.5 baths · 4,190 ft²
$8,500,000
Est. Payment $45,241/mo
6
Bedrooms
6.5
Bathrooms
4,190
Sq. Ft.
2026
Year Built
2
Garage
0
Days on Market
Description
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
- MLS#
- A12021891
- Subdivision
- TROPICAL ISLE HOMES SUB 4
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 2026
- Lot Size
- 8,916 ft²
- Sq. Ft.
- 4,190 ft²
- Sq. Mt.
- 389 m²
- Price per sq. ft.
- $2,029/ft²
- Price per sq. mt.
- $21,851/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- —
- Listed
- May 21, 2026
- Last Updated
- May 21, 2026
- Price/Lot Sq.Ft.
- $953/ft²
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Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
May 2026
34
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 5/21/2026 | Listed for sale | $8,500,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
Pinecrest Elementary SchoolPK,KG,1,2,3,4,5 · public · 0.9 mi
Pinecrest Presbyterian Day SchoolPK,KG · private · 1.1 mi
American Academy of Pinecrest12 · private · 1.1 mi
Kendall Christian SchoolPK,KG,1,2,3,4,5 · private · 1.1 mi
St Louis Covenant SchoolPK,KG,1,2,3,4,5,6,7,8 · private · 1.1 mi
Killian Montessori SchoolPK,KG · private · 1.1 mi
Children's ResourcesPK,KG,1,2,3,4,5,UG · private · 1.1 mi
Gulliver Preparatory SchoolPK,KG,1,2,3,4,5,6,7,8,9,10,11,12 · private · 1.3 mi
Rambam Day School Temple Beth AmPK,TK,KG,1,2,3,4,5 · private · 1.3 mi
Miami Palmetto Senior High AdultUG · public · 1.3 mi
Estimated Monthly Payment
$52,474/mo
Principal & Interest
$45,241
Property Tax
$7,083
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated 18 hours ago
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