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 (193 Days)
$18,900,000
5
BED
4
BATH
4,177
SQFT
See Similar Listings

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
Bay, Ocean
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 May 10 2025 at 8:36 PM GMT+0000
Bathroom Details
  • Full Bathrooms: 4
Interior Features
  • First Floor Entry
  • Split Bedrooms
Subdivision
  • Mashta Island A Replat Of
Heating and Cooling
  • Central
  • Central Air
Pool Information
  • In Ground
  • Pool
Flooring
  • Tile
Exterior Features
  • Roof: Spanish Tile
  • Roof: Barrel
Utility Information
  • Utilities: Water Source: Public
  • Sewer: Public Sewer
Parking
  • Driveway
Stories
  • 1
Living Area
  • 3,085 sqft
Location
Map View | Street View
   
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 Cervera Real Estate 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 5/10/25 13:36
Home
Sales Escrow
Rental Escrow
About Me
Neighborhood News
eho-89x83.png
cervera-globally connected-LRE-LPI-2022-White-Horizontal (1)
realtor_white-71x83.png

Terms Of Use | Privacy Policy | Accessibility Statement | Fair Housing Notice

© Cervera Real Estate, Inc. & Moxiworks.   All rights reserved.

CERVERA® IS A REGISTERED TRADEMARK. THE INFORMATION CONTAINED HEREIN IS DEEMED RELIABLE BUT HAS BEEN PROVIDED BY THIRD PARTIES. AS SUCH, WE CANNOT GUARANTEE ITS ACCURACY OR COMPLETENESS AND IT SHOULD NOT BE RELIED UPON WITHOUT INDEPENDENT VERIFICATION. ALL INFORMATION IS SUBJECT TO ERRORS, OMISSIONS, CHANGES, INCLUDING PRICE, OR WITHDRAWAL WITHOUT NOTICE.  REAL ESTATE AGENTS AFFILIATED WITH CERVERA REAL ESTATE, INC. ARE INDEPENDENT CONTRACTORS AND NOT EMPLOYEES OF THE COMPANY.  The redistribution, retransmission, republication, sale or commercial exploitation of the Information is expressly prohibited without the prior written consent of Cervera Real Estate, Inc., except that you may view and download one copy of the Information to one computer or device for your own personal, non-commercial use only, provided that you do not delete or change any copyright, trademark, or other proprietary notices. EQUAL HOUSING OPPORTUNITY.

ANTITRUST: THE COMMISSION RATES OF CERVERA REAL ESTATE, INC. ARE BASED UPON THE COST OF THE SERVICES IT PROVIDES, THE VALUE OF THE SERVICES TO ITS CLIENTS, AND COMPETITIVE MARKET CONDITIONS. OUR COMMISSION RATES ARE NOT DETERMINED BY AGREEMENT WITH, OR RECOMMENDATIONS FROM, ANY PERSON NOT A PARTY TO A LISTING OR BROKERAGE AGREEMENT WITH OUR FIRM. SALESPERSONS AFFILIATED WITH OUR FIRM ARE NOT AUTHORIZED TO PARTICIPATE IN ANY DISCUSSION WITH ANY PERSONS AFFILIATED WITH OR EMPLOYED BY ANY REAL ESTATE FIRM CONCERNING THE COMMISSION RATES CHARGED BY THIS FIRM, OR ANY OTHER REAL ESTATE FIRM IN THE COMMUNITY.