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!
New construction
$8,500,000
238 Buttonwood Dr, Key Biscayne, FL 33149
6beds
4,190sqft
Single Family Residence
Built in 2026
8,916 Square Feet Lot
$8,048,800 Zestimate®
$2,029/sqft
$-- HOA
What's special
Lush private garden patioIntegrated securitySummer kitchenExpansive terracesSmart-home automationItalian-engineered wood flooringHighly designed kitchen
- 135 days
- 464
- 29
Zillow last checked:
Listing updated:
Listed by:
Fernanda Moreno 786-300-6334,
Douglas Elliman
Source: MIAMI,MLS#: A12021891
Originating MLS: A-Miami Association of REALTORS
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 7
- Full bathrooms: 6
- 1/2 bathrooms: 1
Rooms
- Room types: Den/Library/Office
Heating
- Central
Cooling
- Central Air
Appliances
- Included: Trash Compactor, Dishwasher, Dryer, Microwave, Electric Range, Refrigerator, Washer
- Laundry: Laundry Room
Features
- Built-in Features, Closet Cabinetry, Entrance Foyer, Pantry, Walk-In Closet(s)
- Flooring: Wood
- Doors: High Impact Doors
Interior area
- Total structure area: 5,648
- Total interior livable area: 4,190 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Covered
- Garage spaces: 2
Accessibility
- Accessibility features: Access Convertible
Features
- Stories: 2
- Entry location: First Floor Entry,Foyer
- Patio & porch: Patio
- Exterior features: Built-in Barbecue, Balcony
- Has private pool: Yes
- Pool features: In Ground, Heated, Pool Only
- Fencing: Fenced
- Has view: Yes
- View description: Garden
Lot
- Size: 8,916 Square Feet
- Features: Less Than 1/4 Acre Lot
- Residential vegetation: Fruit Trees
Details
- Parcel number: 2442320061970
- Zoning: 0100
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Concrete Block Construction
- Roof: Concrete
Condition
- New Construction
- New construction: Yes
- Year built: 2026
Utilities & green energy
- Sewer: Public Sewer
- Water: Municipal Water
Community & HOA
Community
- Features: Beach Club Member Available
- Subdivision: Tropical Isle Homes Sub 4
HOA
- Has HOA: No
Location
- Region: Key Biscayne
Financial & listing details
- Price per square foot: $2,029/sqft
- Tax assessed value: $2,431,238
- Annual tax amount: $12,000
- Date on market: 5/21/2026
- Listing terms: All Cash,Conventional
Estimated market value
$8,048,800
$7.65M - $8.45M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 5/21/2026 | Listed for sale | $8,500,000+214.8%$2,029/sqft |
Source: | ||
| 11/21/2023 | Listing removed | -- |
Source: | ||
| 10/13/2023 | Listed for rent | $7,500$2/sqft |
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| 9/28/2023 | Sold | $2,700,000-3.4%$644/sqft |
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| 9/6/2023 | Pending sale | $2,795,000$667/sqft |
Source: | ||
| 6/23/2023 | Price change | $2,795,000-11.3%$667/sqft |
Source: | ||
| 6/15/2023 | Price change | $3,150,000+12.7%$752/sqft |
Source: | ||
| 3/9/2023 | Price change | $2,795,000-5.1%$667/sqft |
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| 1/13/2023 | Listed for sale | $2,945,000-9.6%$703/sqft |
Source: | ||
| 9/27/2022 | Listing removed | -- |
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| 6/28/2022 | Listed for sale | $3,259,000$778/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $38,907 +9.5% | $2,402,118 +10% |
| 2024 | $35,516 +68.3% | $2,183,744 +70.6% |
| 2023 | $21,101 +4.2% | $1,280,194 +3% |
| 2022 | $20,253 -0.2% | $1,242,907 +3% |
| 2021 | $20,291 +6.7% | $1,206,706 +1.4% |
| 2020 | $19,023 -13.8% | $1,190,046 -13.2% |
| 2019 | $22,064 +3.3% | $1,370,892 -0.1% |
| 2018 | $21,368 | $1,372,300 +1.5% |
| 2017 | $21,368 +0.6% | $1,352,519 +2.1% |
| 2016 | $21,234 -1.6% | $1,324,701 +0.7% |
| 2015 | $21,577 -1.5% | $1,315,493 +0.8% |
| 2014 | $21,904 +227.5% | $1,305,053 +11.7% |
| 2013 | $6,689 | $1,168,734 +175.3% |
| 2012 | $6,689 +2.6% | $424,579 +3% |
| 2011 | $6,519 -5.4% | $412,213 +1.5% |
| 2010 | $6,888 +8.2% | $406,122 +2.7% |
| 2009 | $6,369 +1.6% | $395,445 +10.3% |
| 2007 | $6,266 -6.5% | $358,544 |
| 2006 | $6,703 | -- |
| 2005 | $6,703 +1.4% | -- |
| 2004 | $6,613 +3.8% | -- |
| 2003 | $6,373 +3.2% | -- |
| 2002 | $6,173 | -- |
| 2001 | $6,173 | -- |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 33149
Nearby schools
Schools provided by the listing agent
- Elementary: Keybiscayne
- Middle: Ponce De Leon
- High: Coral Gables
Source: MIAMI. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.








