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$19,900,000
18 Days On Site

520 S Mashta Dr
Key Biscayne, FL 33149

For Sale|Single Family Residence|Active
5
Beds
4
Total Baths
4
Full Baths
3,085
SqFt
$6,451
/SqFt
1961
Built
Subdivision:
MASHTA ISLAND A REPLAT OF
County:
Miami-Dade

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520 S Mashta Dr520 S Mashta Dr520 S Mashta Dr520 S Mashta Dr
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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.

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Listing Snapshot
Price 
$19,900,000
Days On Site 
18 Days
Bedrooms 
5
Inside Area (SqFt) 
3,085 sqft
Total Baths 
4
Full Baths 
4
Partial Baths 
N/A
Lot Size 
0.5083 Acres
Year Built 
1961
MLS® Number 
A12071221
Status 
Active
Property Tax 
$201,741
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
2 weeks agoStatus changed to Active
2 weeks agoListing updated with changes from the MLS®
2 weeks agoPrice changed to $19,900,000
3 weeks agoListing first seen on site
General Features
Direction Faces 
East
Disclosures 
None
Garage 
Yes
Garage Spaces 
2
Parking 
Driveway
Property Sub Type 
Single Family Residence
Sewer 
Public Sewer
SqFt Total 
4177
Style 
OneStory
Water Source 
Public
Zoning 
2001
Interior Features
Appliances 
Other
Cooling 
Central Air
Flooring 
Tile
Heating 
Central
Interior 
Master Downstairs
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Exterior Features
Construction Details 
Block
Frontage 
138
Lot Features 
Waterfront
Pool Features 
In GroundPrivate
Private Pool 
Yes
Roof 
BarrelSpanish Tile
View 
BayOcean
Waterfront 
Yes
Waterfront Features 
Ocean AccessSeawall
Waterview 
BayOcean
Community Features
Community Features 
Other
Financing Terms Available 
CashConventional
MLS Area 
52
Schools
School District
Unknown
Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Coral Gables
Listing courtesy of Coldwell Banker Realty

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Neighborhood & Commute
Source: Walkscore
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