425 Harbor Drive
Key Biscayne, FL, 33149
$7,450,000
Discover this striking contemporary residence, perfectly positioned on an oversized 9,258 SF lot on Harbor Drive, one of Key Biscayne’s most elegant and prestigious streets.Built in 2020, this architectural masterpiece offers 6 bedrooms plus a private office, 7 full baths, and 2 powder rooms across 4,565 SF of beautifully designed living space. Filled with natural light, the home showcases expansive open living areas, impressive volume throughout, and a sleek custom kitchen featuring bespoke cabinetry and top-of-the-line finishes.An elevator provides seamless access to all three levels, culminating in a spectacular rooftop terrace with captivating island views and refreshing bay breezes…a unique advantage of being just moments from the water.Designed for effortless indoor-outdoor living, the exterior features a resort-style saltwater pool and spa, summer kitchen, cabana bath, and generous entertaining areas surrounded by lush tropical landscaping.Additional highlights include , EV charger, and ample driveway parking. Combining exceptional design, comfort, and functionality, this residence embodies the very best of island living in one of Key Biscayne’s most distinguished locations.Just minutes from Miami, Key Biscayne is a hidden island paradise where pristine beaches, world-class outdoor recreation, and a relaxed yet sophisticated lifestyle come together in a way that few places can match.
Current real estate data for Single Family in Key Biscayne as of Oct 31, 2026
41
Single Family Listed
146
Avg DOM
2,613
Avg $ / SqFt
$14,295,512
Avg List Price
Listing Provided Courtesy of One Sotheby’s International Realty at 305-365-2811
Property Details
Price:
$7,450,000
MLS #:
A12034564
Status:
Active
Beds:
7
Baths:
8
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
TROPICAL ISLE HOMES SUB 3
Neighborhood:
2420
Listed Date:
Jun 12, 2026
Finished Sq Ft:
4,565
Total Sq Ft:
6,092
Lot Size:
403,278,480 sqft / 0.21 acres (approx)
Year Built:
2020
Schools
Elementary School:
Key Biscayne K-8
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Dishwasher, Disposal, Dryer, Electric Range, Microwave, Oven, Refrigerator, Washer
Bathrooms
7 Full Bathrooms, 2 Half Bathrooms
Cooling
Central Air
Flooring
Wood
Heating
Central, Electric
Interior Features
Built-in Features, Closet Cabinetry, Elevator, High Ceilings, Kitchen Island, Storage, Walk-In Closet(s)
Laundry Features
In Garage
Levels
Three Or More
Exterior
Accessibility Features
Accessible Elevator Installed
Association Amenities
Other
Construction Materials
CBS
Covered Spaces
3
Direction Faces
West
Exterior Features
Balcony, Built-in Barbecue, Outdoor Shower
Fencing
Fenced
Garage Spaces
1
Parking Features
Attached Carport, Carport, Covered, Driveway, Electric Vehicle Charging Station(s)
Patio And Porch Features
Deck
Roof
Flat
Security Features
Smoke Detector(s)
View
Other
Financial
Tax Year
2025
Taxes
$89,673
Map
Contact Us
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Community
- Address425 Harbor Drive Key Biscayne FL
- SubdivisionTROPICAL ISLE HOMES SUB 3
- CityKey Biscayne
- CountyMiami-Dade
- Zip Code33149
Property Summary
- Located in the TROPICAL ISLE HOMES SUB 3 subdivision, 425 Harbor Drive Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $7,450,000 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 $1,632. The average price per square foot for Single Family listings in Key Biscayne is $2,613. The average listing price for Single Family in Key Biscayne is $14,295,512. To schedule a showing of MLS#a12034564 at 425 Harbor Drive in Key Biscayne, FL, contact your Trust House Realty agent at 9543362003.
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