For sale Home

Listed May 21, 2026

$8,500,000 Est. $56,220/mo

238 Buttonwood Drive

  • 6

    Beds

  • 7

    Baths

  • 4,190

    Sq ft

The story

  • Pool

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 & features

Home type

Home

Year built

2026

Floors

2

Price per sq ft

$2,029

Parking

2-car garage

Included features

  • Pool

    Yes

  • Cooling

    Central Air

  • Heating

    Central

  • Appliances

    Dryer, Dishwasher, Electric Range, Microwave, Refrigerator, Trash Compactor, Wine Cooler, Washer

  • Flooring

    Hardwood, Wood

  • Roof

    Concrete

  • Exterior

    Balcony, Outdoor Grill

  • Water Source

    Public

  • Sewer

    Public Sewer

Mortgage calculator

Estimated monthly payment

$56,220 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $45,241
  • Property tax $8,500
  • Insurance $2,479

Includes principal, interest, taxes & insurance.

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Listing Broker

Douglas Elliman

Broker Name

Douglas Elliman

Agent

Fernanda Moreno

Location

Miami FL 33137