Join Our Team 386-690-5858 Search Homes

425 Harbor Dr, Key Biscayne, FL 33149

$7,450,000 · 7 beds, 8 baths, 4,565 square feet · Active

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.

Listing courtesy of One Sotheby's International Realty, the listing brokerage, 305-365-2811. MLS number A12034564.

Listing data courtesy of MIAMI REALTORS® MLS. Updated Oct 20, 2026 3:50 AM ET. MLS disclaimers
Show full MLS disclaimer

Miami MLS. Listings courtesy of MIAMI REALTORS® MLS (SEFMLS). The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of MIAMI REALTORS® (Southeast Florida Multiple Listing Service, SEFMLS). Real estate listings held by brokerage firms other than Winslow Homes LLC are marked with the name of the listing brokerage. IDX information is provided exclusively 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. The data is deemed reliable but is not guaranteed accurate by the MLS, and all information should be independently verified. Based on information from the Southeast Florida Multiple Listing Service (SEFMLS) as of October 20, 2026 at 3:50 AM Eastern.

All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.

Properties displayed may be listed or sold by various participants in the MLS.