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7-Bedroom Residence in Key Biscayne

425 Harbor Dr, Key Biscayne FL 33149, Key Biscayne, FL 33149

$7,450,000

Listing photo 1

Key Facts

Beds
7
Baths
9
Sq Ft
4,565
Lot
9,258 sq ft
Year Built
2020

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.

Features & Amenities

  • 1-car garage
  • Built 2020
  • First Floor Entry
  • Built-in Features
  • Closet Cabinetry
  • Cooking Island
  • Elevator
  • Volume Ceilings
  • Walk-In Closet(s)
  • Other

Location

425 Harbor Dr, Key Biscayne FL 33149, Key Biscayne, FL

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

Data last updated June 16, 2026

Listing information is provided in part by the IDX program of the MIAMI Association of REALTORS®. Information deemed reliable but not guaranteed. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.