$5,990,000list price
Per sq ft$1,259
5 bd · 4.5 ba · 4,759 sq ft House
501 BAY LN #33149, KEY BISCAYNE, FL 33149
Listing courtesy of One Sotheby's International Realty. MLS# A12074814.On the MLS · Listed Aug 22
$6,350,000
571 S MASHTA DR #33149, KEY BISCAYNE, FL 33149
4 beds3 baths2,761 sq ftHouseBuilt 1964
Updated today, November 3, 2026This home against Key Biscayne
$2,300 per sq ft, 89% over the Key Biscayne median
73 days on the market
$55,539 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
Enjoy your own paradise in the paradise—an exceptional, move-in-ready residence on prestigious Mashta Island, one of Key Biscayne's most exclusive and tranquil enclaves. Beautifully remodeled and designed for relaxed yet sophisticated island living, this home offers exceptional indoor and outdoor spaces to enjoy with family and friends. Outdoor living takes center stage with a heated pool and spectacular covered entertainment area featuring a custom BBQ, grill, sink, granite counters and seating for up to 12 guests—the perfect setting for weekend gatherings, celebrations and year-round enjoyment of the Key Biscayne lifestyle. Bright, inviting interiors feature a spacious open layout that seamlessly connects the living, dining and kitchen areas. The impressive chef's kitchen is equipped with premium Viking appliances, generous cooking island and abundant granite counter space. Marble flooring enhances the main living areas, while warm wood floors add character to the private bedroom spaces. The primary suite opens directly to the pool area and features a large walk-in closet and a luxurious bath with steam shower. The property is on a 10,000 SF lot with an ample circular driveway, covered garage for two vehicles and a large additional side parking.
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 HR 19 Realty LLC. MLS# A12076783.
Listing information is provided by the MLS and is deemed reliable but not guaranteed.
Listed August 22, 2026.
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