520 S Mashta Dr, Key Biscayne, FL 33149

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$18,900,000

bedrooms

bathrooms

square feet

3,085

Acreage

Open Houses

year built

1961

Full Baths

Half Baths

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Seize the rare chance to create your dream estate on one of the largest lots in Key Biscayne's prestigious Mashta Island community. This 22,140-square-foot property features 138 feet of pristine water frontage, offering breathtaking open-water views—an ideal backdrop for a grand residence. Collaborate with the renowned Corazzini & Associates, known for their award-winning designs that merge elegance with functionality. Enjoy spectacular sunsets visible throughout your home, perfect for relaxation and entertaining. Included are fully approved plans and permits for a stunning 8-bedroom, 8.5-bath, 10,000-square-foot estate, ensuring a seamless start to your vision. Don’t miss this once-in-a-lifetime opportunity to establish a legacy in one of South Florida's most prestigious enclaves.

Location
Subdivision	Mashta Island A Replat Of
County	Miami-Dade
Elementary School	-
Middle School	-
High School	-

Driving directions

Open houses

None scheduled.

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MLS number: A11684094

Listing agent: Jonathan Matos #3299627

Listing broker: Douglas Elliman (305) 695-6300

Copyright © 2025 MIAMI Association of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. [source]

Last update: Wednesday, February 12 2025 at 3:03 p.m. EST

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