238 Buttonwood Dr

Key Biscayne, FL
$ 8,500,000 Beds 6 Baths 6.5 Sq 4,190 Virtual Tour
Monthly Estimate* How much can I afford?

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!

Active

  • Price
  • $ 8,500,000
  • City
  • Key Biscayne
  • Bedrooms
  • 6
  • Full Bathrooms
  • 6
  • County
  • Miami-Dade
  • Half Bathrooms
  • 1
  • Area
  • 42
  • Lot Size
  • Zip
  • 33149
  • Sqr Footage
  • 4,190
  • Year Built
  • 2026
  • Taxes
  • $ 12000
  • Style
  • MLS#
  • A12021891
Listed By: This listing is courtesy of Douglas Elliman
Data Source: Southeast Florida MLS (SEFMLS)

Features

General

Sewer Public Sewer
Heating Central
Cooling Central Air
Utilities Cable Available
Possession Closing & Funding,Close Of Escrow
Roof Concrete
Appliances Dryer,Dishwasher,Electric Range,Microwave,Refrigerator,Trash Compactor,Wine Cooler,Washer
Garage Spaces 2
Patio/Porch Features Balcony,Open,Patio
Architectural Style Two Story
Pool Features Heated,In Ground,Pool
Restrictions No Restrictions,OK To Lease
Construction Materials Block
Pets Allowed No,Yes
Year Built 2026
View Garden
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Tax Year 2025
Community Features Beach,Club Membership Available
County Miami-Dade
Property Type Residential
Subdivision Name TROPICAL ISLE HOMES SUB 4
Facing Direction East
Garage Y/N true
Full Baths 6
Special Listing Conditions Listed As-Is
Status Active
High School Coral Gables
City Key Biscayne
Senior Community Y/N false
Zoning Description 0100
MLS Area 42
Lot Size Units Square Feet
Lot Size Square Feet 8916
Listing Terms Cash,Conventional
Elementary School Keybiscayne
Year Built Details New Construction
Tax Annual Amount 12000
Middle/Junior High School Ponce De Leon
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A12021891
Standard Status Active
Occupancy Type Vacant
Property Sub Type Additional Single Family Residence
PostalCity Key Biscayne
Legal Description 32 54 42 PB 53-39 TROPICAL ISLE HOMES SUB 4TH ADDN LOT 8 BLK 25 LOT SIZE 82.500 X 100

Interior Features

Interior Amenities Built-in Features,Bedroom on Main Level,Bathtub,Closet Cabinetry,Entrance Foyer,Eat-in Kitchen,Family/Dining Room,First Floor Entry,Pantry,Separate Shower,Walk-In Closet(s)
Flooring Hardwood,Wood
Air Conditioning Y/N true
Heating Y/N true
Half Baths 1
Total Bedrooms 6
LivingAreaSource Builder
Total Baths 7

Exterior Features

Exterior Amenities Balcony,Fence,Fruit Trees,Security/High Impact Doors,Outdoor Grill,Patio
Parking Features Covered
Lot Features < 1/4 Acre
Water Source Public
Lot Size Area 8916
Spa false
Building Area Total 5648
Private Pool true
Waterfront Y/N false
Covered Spaces 2

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Miami Beach, FL office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Keybiscayne Elementary School
Middle School Ponce De Leon Middle School
High School Coral Gables High School

Price History

5/21/2026 Listed $8,500,000

Property vs Zip Code Average in 33149

Price
AVG $9.24M
$8.5M
Taxes
AVG $76,969
$12,000
Year Built
AVG 1986
2026

In The Neighborhood

Areas That We Cover

238 Buttonwood Dr Key Biscayne, FL is a Single Family Home for sale at $8500000 with 4190 sqft and a lot size of Acre(s). 238 Buttonwood Dr Key Biscayne has 6 bedrooms, 6 baths and was built in 2026. The property's zip code is 33149 which is in Key Biscayne, FL

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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