$6,350,000list price
Per sq ft$2,300
4 bd · 3 ba · 2,761 sq ft House
571 S MASHTA DR #33149, KEY BISCAYNE, FL 33149
Listing courtesy of HR 19 Realty LLC. MLS# A12076783.On the MLS · Listed Aug 22
$5,990,000
501 BAY LN #33149, KEY BISCAYNE, FL 33149
5 beds4.5 baths4,759 sq ftHouseBuilt 1995
Updated today, November 3, 2026This home against Key Biscayne
$1,259 per sq ft, 4% over the Key Biscayne median
73 days on the market
$24,587 in property taxes (2025)
10,019 sq ft lot
Private pool
2 car garage
Key Biscayne today: 129 homes for sale, median list price $2,725,000.
About this home
Prime location on one of Key Biscayne’s most exclusive residential streets, surrounded by some of the island’s most prestigious waterfront estates. An exceptional opportunity to own a substantial residence in the heart of Miami’s island paradise. Situated on a generous 10,000 SF lot, this light-filled home offers 4,759 SF of living space, five bedrooms, four full bathrooms and one half bathroom, providing wonderful space, privacy, and flexibility for today’s lifestyle. High ceilings and abundant natural light enhance the home’s generous proportions, while well-defined living, dining, and family areas create a comfortable and functional floor plan for both everyday living and entertaining. The interior spaces open to an expansive covered terrace, creating a natural connection to the outdoors and allowing for year-round enjoyment of South Florida living. Surrounded by lush, mature landscaping, the private backyard features a beautiful swimming pool and generous areas for outdoor dining, entertaining, and spending time with family and friends. Built in 1995 and complete with a garage, the residence can be enjoyed as it is today while offering endless possibilities to personalize and enhance over time. A rare opportunity to make this home your own while enjoying an exceptional address, privacy, and the extraordinary lifestyle that make Key Biscayne one of South Florida’s most desirable places to call home
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# A12074814.
Listing information is provided by the MLS and is deemed reliable but not guaranteed.
Listed August 22, 2026.
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