Single Family Residence / Key Biscayne
520 S Mashta Drive, Key Biscayne, FL 33149
Key Biscayne / MASHTA ISLAND A REPLAT OF
$18.5M520 S Mashta Drive, Key Biscayne, FL 33149
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Property Overview
Seize a rare opportunity to create a landmark waterfront estate on one of the largest residential lots in Key Biscayne’s exclusive Mashta Island enclave. Spanning an extraordinary 22,140 square feet, this exceptional property offers 138 feet of pristine water frontage and sweeping open water views, providing an unparalleled setting for a world class residence.Plans by renowned architect, Pablo Corazzini of Vitalini Corazzini Architects, are available to the buyer, offering a thoughtfully conceived vision that takes full advantage of the property’s remarkable scale, premier waterfront setting, and spectacular sunsets. The proposed design creates an extraordinary canvas for sophisticated indoor-outdoor living and entertaining, should the buyer choose to pursue the concept.With its exceptional lot size, expansive water frontage, and coveted Mashta Island address, this is a truly irreplaceable opportunity to create a legacy estate in one of South Florida’s most prestigious waterfront communities.
Gallery
Photography
Location
Location
The neighborhood
Area insights
Lifestyle
Beaches, Crandon Park, Bill Baggs Cape Florida State Park and a close-knit island community.
Transport
Single causeway to Brickell, about 15 to 20 minutes without traffic.
Schools
Island public schools and private options on the mainland.
Safety & environment
Quiet island setting; review flood zone and elevation for each property.
Buyer profile
Buyers looking for beaches, privacy and a small-town feel near the city.
Key facts
Features
Private showing
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Listing courtesy of Coldwell Banker Realty (Maureen Jauregui). Source: BeachesMLS. Information deemed reliable but not guaranteed; verify independently.