520 S Mashta Dr Key Biscayne, FL 33149
Listing Courtesy of: MIAMI / Douglas Elliman / Coldwell Banker Realty / Maureen Jauregui

  520 S Mashta Dr Key Biscayne, FL 33149

Active (157 Days)
$18,900,000
5
BED
4
BATH
4,177
SQFT

Description

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.

MLS #:
A11684094
Taxes
$179,582(2023)
Lot Size
0.51 acres
Type
Single-Family Home
Year Built
1961
Style
One Story
Views
Ocean, Bay
County
Miami-Dade County
Community
Mashta Island a Replat of

Listed By

Jonathan Matos, Douglas Elliman
Maureen Jauregui, Coldwell Banker Realty
Source
MIAMI
Last checked Apr 4 2025 at 3:58 PM GMT+0000
Bathroom Details
  • Full Bathrooms: 4
Interior Features
  • Split Bedrooms
  • First Floor Entry
Subdivision
  • Mashta Island A Replat Of
Heating and Cooling
  • Central
  • Central Air
Pool Information
  • Pool
  • In Ground
Flooring
  • Tile
Exterior Features
  • Roof: Barrel
  • Roof: Spanish Tile
Utility Information
  • Utilities: Water Source: Public
  • Sewer: Public Sewer
Parking
  • Driveway
Stories
  • 1
Living Area
  • 3,085 sqft
Location
   
Calculate drive times to this property
 
Powered by INRIX® Drive Time

Powered by Walk Score®

Estimated Monthly Mortgage Payment

*Based on Fixed Interest Rate withe a 30 year term, principal and interest only

Listing price
Down payment
%
Interest rate
%
Mortgage calculator estimates are provided by C21 First Choice Realty and are intended for information use only. Your payments may be higher or lower and all loans are subject to credit approval.
Disclaimer: Copyright 2025 Miami Association of Realtors. All rights reserved. This information is deemed reliable, but not guaranteed. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated 4/4/25 08:58