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
$8,061,400 Zestimate®
$2,029/sqft
$-- HOA
What's special
Lush private garden patioIntegrated securitySummer kitchenExpansive terracesSmart-home automationItalian-engineered wood flooringHighly designed kitchen
- 43 days |
- 252 |
- 8 |
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
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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
$8,061,400
$7.66M - $8.46M
$6,979/mo
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 |
Source: | ||
| 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 |
Source: | ||
| 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 | $6,173 | -- |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 33149
Nearby schools
GreatSchools rating
- 8/10Key Biscayne K-8 CenterGrades: PK-8Distance: 0.4 mi
- 5/10Coral Gables Senior High SchoolGrades: PK,9-12Distance: 6.4 mi
- 6/10Ponce De Leon Middle SchoolGrades: 6-8Distance: 6.6 mi
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.
A local agent can set up tours, give advice and negotiate with sellers.
- Florida
- Miami-Dade County
- Key Biscayne
- 33149
- 238 Buttonwood Dr








