$7,750,000
425 Harbor Dr
Key Biscayne, FL, 33149
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
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
Mortgage Calculator
Map
Current real estate data for Single Family in Key Biscayne as of Oct 22, 2025
51
Single Family Listed
191
Avg DOM
2,411
Avg $ / SqFt
$10,416,059
Avg List Price
Community
- Address425 Harbor Dr Key Biscayne FL
- SubdivisionTROPICAL ISLE HOMES SUB 3
- CityKey Biscayne
- CountyMiami-Dade County
- Zip Code33149
Similar Listings Nearby
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 $2,411. The average listing price for Single Family in Key Biscayne is $10,416,059.
425 Harbor Dr
Key Biscayne, FL