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$19,900,000

For Sale

12 hours ago

520 S Mashta Dr, Key Biscayne, FL

House

MLS® A12071221

5 Bed

4 Bath

3085 sqft

2 Parking

  • Key Facts
  • Description
  • Map

Key Facts

Type Single Family Residence
Levels Residential
Size 3085 sqft
Garage Yes
Taxes $201,741
Days Active 6
Lot Size 0.51 Acres
Approx. Age 1961
Avg. Price Per Sqft $6,450
MLS® Number A12071221

Property Address: 520 S Mashta Dr, Key Biscayne, FL, 33149-1733

Average square foot calculated using Size range provided by listing agent.

Description

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.
MLS® NumberA12071221
Laundry Level
Central VacNo
FireplaceNo
Acreage
Exterior
GarageYes
Approx. Age1961
Basement
DrivewayDriveway
Garage Spaces
HeatCentral
A/CCentral Air

Extras

Price History

-End Date
Not Sold YetSold Price

For Sale

Aug 17, 2026List Date
$19,900,000List Price
Jan 15, 2024End Date
$16,500,000Sold Price

Sold

Jul 15, 2024List Date
$17,200,000List Price

Home Appraisal

This property is estimated to sell between: $7,003,000 and $26,349,000.
Similar properties in this area sold on average for: $7,003,750
Expected to sell in 97 days. Similar properties sold in 103 days. This home has been on eXp Realty for 6 days.

The estimated sale price does not take into account many variables such as recent renovations, type of appliances, school district etc. To get a more accurate estimate please contact agent.

  • Commute

Commute

Starting Address
Destination Address
520 S Mashta Dr, Key Biscayne, FL

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