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238 Buttonwood, Key Biscayne, FL 33149

Key Biscayne
Local realty services provided by:CENTURY 21 Move With Us
238 Buttonwood,Key Biscayne, FL 33149
$8,500,000
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  • 6 Beds
  • 7 Baths
  • 4,190 sq. ft.
  • Single family
  • Active
Listed by: fernanda moreno
Office: douglas elliman
MLS#:A12021891
Source:FL_RAMC

Price summary

  • Price:$8,500,000
  • Price per sq. ft.:$1,504.96

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 fe

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Home facts

  • Year built:2026
  • Subdivision & Development:TROPICAL ISLE HOMES SUB 4
  • Listing ID #:A12021891
  • Added:12 day(s) ago
  • Updated:September 13, 2026 at 03:01 PM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:7
  • Full bathrooms:6
  • Half bathrooms:1
  • Flooring:Wood
  • Dining Description:Family/Dining Room
  • Bathrooms Description:Bathtub, Separate Shower
  • Kitchen Description:Dishwasher, Electric Range, Microwave, Pantry, Refrigerator
  • Bedroom Description:Closet Cabinetry, Walk-In Closet(s)
  • Living area:4,190 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Central
  • Central air:Yes

Structure and exterior

  • Year built:2026
  • Building area:4,190 sq. ft.
  • Construction Materials:Block, Concrete
  • Exterior Features:Balcony, Fence, Fruit Trees, Open, Outdoor Grill, Patio

Utilities

  • Water:Public Water, Water Available, Water Connected
  • Sewer:Public Sewer, Sewer Available

Finances and disclosures

  • Price:$8,500,000
  • Price per sq. ft.:$1,504.96
  • Tax amount:$12,000 (2025)

Features and amenities

  • Appliances:Dishwasher, Dryer, Electric Range, Microwave, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Closet Cabinetry, Entrance Foyer, Pantry
  • Pool features:Heated, In Ground
  • Smart home:Yes

Parking

  • Total parking spaces:2
  • Parking description:Covered
MLS LogoThe data relating to real estate for sale on this web site comes in part from a cooperative data exchange program of the Realtor<REGISTERED_LOGO> Association of Martin County, Inc. MLS. Real estate listings held by brokerage firms other than CENTURY 21 Move With Us are marked with the IDX logo (Broker Reciprocity) or name and detailed information about such listings includes the name of the listing brokers. Data provided is deemed reliable but is not guaranteed.

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