$8,500,000
NEW CONSTRUCTION

238 Buttonwood Dr Key Biscayne, FL 33149

Estimated payment $47,000/month

Total Views 411
6 Beds
6.5 Baths
4,190 Sq Ft
$2,029 Price per Sq Ft

Highlights

  • New Construction
  • Heated In Ground Pool
  • Wood Flooring
  • Key Biscayne K-8 Center Rated A-
  • Wolf Appliances
  • Main Floor Bedroom

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 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!

Listing Agent

Fernanda Moreno Harcha

Douglas Elliman License #3294215 Listed on: 05/21/2026

Douglas Elliman

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $12,000

Year Built

  • Built in 2026 | New Construction

Lot Details

  • 8,916 Sq Ft Lot
  • East Facing Home
  • Fenced
  • Property is zoned 0100

Parking

  • 2 Car Garage

Home Design

  • Concrete Roof

Interior Spaces

  • 4,190 Sq Ft Home
  • 2-Story Property
  • Built-In Features
  • Entrance Foyer
  • Family or Dining Combination
  • Den
  • Wood Flooring
  • Garden Views
  • High Impact Door

Kitchen

  • Eat-In Kitchen
  • Electric Range
  • Microwave
  • Dishwasher
  • Wolf Appliances
  • Trash Compactor

Bedrooms and Bathrooms

  • 6 Bedrooms
  • Main Floor Bedroom
  • Closet Cabinetry
  • Walk-In Closet
  • Separate Shower in Primary Bathroom
  • Bathtub
  • Primary Bathroom includes a Walk-In Shower

Laundry

  • Laundry in Utility Room
  • Dryer
  • Washer

Outdoor Features

  • Heated In Ground Pool
  • Balcony
  • Patio
  • Outdoor Grill

Schools

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

Utilities

  • Central Heating and Cooling System

Listing and Financial Details

  • Assessor Parcel Number 24-42-32-006-1970

Community Details

Overview

  • No Home Owners Association
  • Tropical Isle Homes Sub 4 Subdivision

Recreation

  • Beach Club Membership Available

Home Details

Home Type

Single Family

Est. Annual Taxes

$12,000

Year Built

Built in 2026 | New Construction

Lot Details

8,916 Sq Ft Lot

Parking

2

Listing Details

  • Property Type: Residential
  • Year Built: 2026
  • Property Sub Type: Single Family Residence
  • Architectural Style: Attached, Two Story
  • Garage Yn: Yes
  • Horses: No
  • New Construction: Yes
  • Structure Type: Pool Only, House
  • Subdivision Name: TROPICAL ISLE HOMES SUB 4
  • Year Built Details: New Construction
  • MIAMIRE_PoolYN: Yes
  • MIAMIRE_PetsAllowedYN: Yes
  • MIAMIRE_MembershipPurchRqdYN: No
  • CurrentPrice: 8500000
  • InternetRemarks: A unique architectural masterpiece in the heart of Key Biscayne with an oversized 9,000SF lot, offers 6 bedrooms, 6.5 baths, and 4,191SF of residence.
  • ShowingTimeFlag: No
  • Special Features: 4098

Interior Features

  • Appliances: Trash Compactor, Dishwasher, Dryer, Microwave, Electric Range, Refrigerator, Washer
  • Interior Amenities: First Floor Entry, Built-in Features, Closet Cabinetry, Entrance Foyer, Pantry, Walk-In Closet(s), Den/Library/Office, Utility Room/Laundry
  • Spa Yn: No
  • Accessibility Features: Access Convertible
  • Full Bathrooms: 6
  • Half Bathrooms: 1
  • Total Bedrooms: 6
  • Door Features: High Impact Doors
  • Entry Location: Foyer
  • Flooring: Wood
  • Living Area: 4190
  • Bedroom Features: At Least 1 Bedroom Ground Level, Primary Bath Shower, Primary Bath Tub
  • Dining Room Features: Eat-In Kitchen, Family/Dining Combination
  • Living Room Features: Den/Library/Office, Utility Room/Laundry
  • Master Bathroom Features: Separate Tub & Shower

Exterior Features

  • Roof: Concrete
  • View: Garden
  • Exterior Features: Built-In Grill, Fruit Trees, Open Balcony
  • Construction Type: Concrete Block Construction
  • Direction Faces: East
  • Fencing: Fenced
  • Lot Features: Less Than 1/4 Acre Lot
  • Patio And Porch Features: Open Balcony, Patio
  • Pool Features: In Ground, Heated
  • Pool Private: No
  • Property Condition: New Construction
  • View: Yes
  • Waterfront: No

Garage/Parking

  • Park Building Name: TROPICAL ISLE HOMES SUB 4
  • Covered Parking Spaces: 2
  • Garage Spaces: 2
  • Parking Features: Covered

Utilities

  • Sewer: Public Sewer
  • Water Source: Municipal Water
  • Cooling: Central Air
  • Cooling Y N: Yes
  • Heating: Central
  • Heating Yn: Yes
  • Laundry Features: Utility Room/Laundry

Condo/Co-op/Association

  • Association: No
  • Community Features: Beach Club Member Available

Association/Amenities

  • MIAMIRE_TypeofAssociation: None

Schools

  • Elementary School: Keybiscayne
  • High School: Coral Gables
  • Middle Or Junior School: Ponce De Leon

Lot Info

  • Parcel Number: 24-42-32-006-1970
  • Lot Size Sq Ft: 8916
  • Zoning: 0100

Rental Info

  • Pets Allowed: Yes

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 12000

Map

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $35,516 $2,402,118 -- --
2024 $21,101 $2,183,744 $1,897,500 $286,244
2023 $21,101 $1,280,194 $0 $0
2022 $20,253 $1,242,907 $0 $0
2021 $20,291 $1,206,706 $0 $0
2020 $19,023 $1,190,046 $1,016,812 $173,234
2019 $22,064 $1,370,892 $1,196,250 $174,642
2018 $21,368 $1,372,300 $1,196,250 $176,050
2017 $21,234 $1,352,519 $0 $0
2016 $21,261 $1,324,701 $0 $0
2015 $21,577 $1,315,493 $0 $0
2014 $21,904 $1,305,053 $0 $0
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
05/21/2026 05/21/26 For Sale $8,500,000 0.0% $2,029 / Sq Ft
12/01/2023 12/01/23 Rented $7,000 -6.7% --
11/20/2023 11/20/23 Under Contract -- -- --
10/13/2023 10/13/23 For Rent $7,500 0.0% --
09/28/2023 09/28/23 Sold $2,700,000 -3.4% $1,570 / Sq Ft View Prior Sale
09/06/2023 09/06/23 Pending -- -- --
06/23/2023 06/23/23 Price Changed $2,795,000 -11.3% $1,625 / Sq Ft
06/15/2023 06/15/23 Price Changed $3,150,000 +12.7% $1,831 / Sq Ft
03/09/2023 03/09/23 Price Changed $2,795,000 -5.1% $1,625 / Sq Ft
01/13/2023 01/13/23 For Sale $2,945,000 -- $1,712 / Sq Ft
Source: MIAMI REALTORS® MLS

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Warranty Deed $2,700,000 Southeastern Title
Interfamily Deed Transfer -- Attorney
Interfamily Deed Transfer -- Attorney
Interfamily Deed Transfer -- Attorney
Source: Public Records

Source: MIAMI REALTORS® MLS

MLS Number: A12021891

MIAMI REALTORS® MLS

APN: 24-4232-006-1970

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