Experience unparalleled elegance in this stunning contemporary estate, set on an oversized 9,258 sq. ft. lot in exclusive Key Biscayne. Built in 2020, with a brand-new roof in 2025, this 7-bedroom, 7-bathroom home, plus two powder rooms, blends sophistication with seamless indoor-outdoor living. An open floor plan, custom-built kitchen cabinetry, and abundant natural light create an inviting ambiance. The elevator connects all three levels, leading to a rooftop terrace with breathtaking views. Outdoors, enjoy a saltwater pool with spa, summer kitchen, cabana bath, and expansive front yard. The open garage with an EV charger and a spacious driveway provide convenience. This architectural masterpiece offers the finest in Key Biscayne luxury.
Property Details
Price:
$7,750,000
MLS #:
A11873862
Status:
Active
Beds:
7
Baths:
8
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
TROPICAL ISLE HOMES SUB 3
Neighborhood:
tropicalislehomessub3
Listed Date:
Sep 7, 2025
Finished Sq Ft:
4,565
Total Sq Ft:
6,092
Year Built:
2020
See this Listing
Schools
Interior
Appliances
Dishwasher, Disposal, Dryer, Microwave, Electric Range, Refrigerator, Wall Oven, Washer
Bathrooms
7 Full Bathrooms, 2 Half Bathrooms
Cooling
Central Air
Flooring
Ceramic Floor, Wood
Heating
Electric
Laundry Features
Utility Room/Laundry
Exterior
Architectural Style
Attached, Three Or More Stories, Modern/Contemporary
Community Features
Other Subdivision – See Remarks
Construction Materials
Concrete Block Construction, CBS Construction, Elevated Construction
Exterior Features
Built-In Grill, Open Balcony
Parking Features
Covered, Driveway, Electric Vehicle Charging Station(s)
Roof
Flat Roof With Facade Front
Financial
Tax Year
2024
Taxes
$86,442
Map
Community
- Address425 Harbor Dr Key Biscayne FL
- SubdivisionTROPICAL ISLE HOMES SUB 3
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Market Summary
Current real estate data for Single Family in Key Biscayne as of Mar 06, 2026
53
Single Family Listed
211
Avg DOM
2,169
Avg $ / SqFt
$9,400,094
Avg List Price
Property Summary
- Located in the TROPICAL ISLE HOMES SUB 3 subdivision, 425 Harbor Dr Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $7,750,000 and features 7 beds, 8 baths, and has approximately 4,565 square feet of living space, and was originally constructed in 2020. The current price per square foot is $1,698. The average price per square foot for Single Family listings in Key Biscayne is $2,169. The average listing price for Single Family in Key Biscayne is $9,400,094.
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