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$20,000,000
36 Days On Site

520 S Mashta Dr
Key Biscayne, FL 33149

For Sale|Single Family Residence|Active
5
Beds
4
Full Baths
0
Partial Baths
3,085
SqFt
$6,483
/SqFt
1961
Built
Subdivision:
MASHTA ISLAND A REPLAT OF
County:
Miami-Dade
Call Now: +1305-799-9900
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520 S Mashta Dr520 S Mashta Dr520 S Mashta Dr520 S Mashta Dr
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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 23,263-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.

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Listing Snapshot
Price 
$20,000,000
Days On Site 
36 Days
Bedrooms 
5
Inside Area (SqFt) 
3,085 sqft
Total Baths 
4
Full Baths 
4
Partial Baths 
N/A
Lot Size 
22,140 Acres
Year Built 
1961
MLS® Number 
A11684094
Status 
Active
Property Tax 
$179,582
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
a month agoListing first seen on site
a month agoListing updated with changes from the MLS®
General Features
Direction Faces 
East
Garage 
Yes
Garage Spaces 
2
Home Warranty 
Yes
Number Of Stories 
1
Parking 
Driveway
Pets 
Yes
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 Ground
Roof 
BarrelSpanish Tile
View 
BayOcean
Waterfront 
Yes
Waterfront Features 
Seawall
Waterview 
BayOcean
Community Features
Community Features 
Other
Financing Terms Available 
CashConventional
MLS Area 
52
Listing courtesy of Douglas Elliman

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Neighborhood & Commute
Source: Walkscore
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