TROPICAL ISLE HOMES SUB 4

238 Buttonwood Dr, Key Biscayne FL 33149

6 beds · 6.5 baths · 4,190 ft²

For Sale · Active Listing

$8,500,000

Est. Payment $45,241/mo

MLS Sheet Video

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

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

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).

5/21/2026Listed 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

238 Buttonwood Dr, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$52,474/mo

Principal & Interest

$45,241

Property Tax

$7,083

Insurance

$150

HOA

$0

20% ($1,700,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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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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