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425 Harbor Dr, Key Biscayne FL 33149

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425 Harbor Dr425 Harbor Dr425 Harbor Dr425 Harbor Dr
Active · For Sale
$7,450,000
425 Harbor Dr, Key Biscayne FL 33149
Data via Miami Association of REALTORS® (MiamiRE)
7
Beds
7
Full Baths
7 full + 2 half
4,565
Sq Ft
$1,632
Per Sq Ft
9,258
Lot Sq Ft

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.

MLS #:A12034564
Status:Active
Property Type:Residential · Single Family Residence
Year Built:2020
Living Area:4,565 sq ft
Lot Size:9,258 sq ft
Bathrooms:7 full + 2 half
HOA:None
Annual Taxes:$89,673 (2025)
Days on Market (per MLS):97
Waterfront:No
View:Other
Parking:1-car garage
Furnished:Unfurnished
Cooling:Central Air
Construction:CBS Construction, Elevated Construction
Zoning:0100
Subdivision (per MLS):TROPICAL ISLE HOMES SUB 3
City:Key Biscayne
ZIP:33149
County:Miami-Dade
MLS record last modified:September 17, 2026
Map showing the location of 425 Harbor Dr, Key Biscayne FL 33149
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