$7,450,000

425 HARBOR DR #33149, KEY BISCAYNE, FL 33149

7 beds8 baths4,565 sq ftHouseBuilt 2020
Updated today, November 3, 2026

This home against Key Biscayne

$1,632 per sq ft, 34% over the Key Biscayne median
146 days on the market
$89,673 in property taxes (2025)
9,148 sq ft lot
Private pool
1 car garage

Key Biscayne today: 129 homes for sale, median list price $2,725,000.

About this home

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.

Zoned schools

Elementary: Key Biscayne K-8 Center
Middle: Ponce de Leon Middle School
High: Coral Gables Senior High School

From Miami-Dade County Public Schools attendance zones.

Listing courtesy of One Sotheby's International Realty. MLS# A12034564.

Listing information is provided by the MLS and is deemed reliable but not guaranteed.

Listed June 10, 2026.

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