House for Sale
$4,899,000
5 bd · 5.5 ba · 4,220 sqft
Key Biscayne, FL 33149 · MLS# A12034564 · Active · TROPICAL ISLE HOMES SUB 3
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.
School assignments are provided by the listing and should be independently verified.
Estimate only — actual rates, taxes and insurance vary. Not a loan offer or financial advice. Financing through Matthew Gromadzki, NMLS #2560919 · Innovative Mortgage Services, Inc., NMLS #250769.
425 Harbor Dr, Key Biscayne, FL 33149 · See all Key Biscayne homes for sale
House for Sale
$4,899,000
5 bd · 5.5 ba · 4,220 sqft
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BISCAYNE KEY ESTATES
425 Harbor Dr is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on June 12, 2026 by One Sotheby's International Realty, it's currently listed at $7,450,000. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Keybiscayne, Ponce De Leon and Coral Gables. 425 Harbor Dr is a 7-bed, 9-bath, 4,565 sqft single family home built in 2020.