520 S Mashta Drive, Key Biscayne, FL 33149

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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Bedrooms5
Bathrooms4
Living area3,085 SF
WaterfrontYes
Year built1961
Parking2
HOAOn request
Style

Property overview

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.

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

Market statusActive
Days on market76 days
Property typeSingle Family Residence
MLS referenceA12071221

Private showing

Request a private visit.

Listing courtesy of Coldwell Banker Realty (Maureen Jauregui). Source: BeachesMLS. Information deemed reliable but not guaranteed; verify independently.