$18,921,250

510 S Mashta Dr, Key Biscayne FL, 33149

Price per sqft$3,620.60

Built in1981

Property size5,226 sqft

Property typeResidential

Overview

Sold

Closed

Listed Apr 11, 2025

Updated Jul 7

Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets.Oversized Lot:18,300-sq.ft. 2 story home with excellent floor plan,Large living room area w/double height ceilings, family room adjacent to Kitchen area. Large dining area w/direct water views & access to pool area. 2nd floor: Master suite & 3 additional bedrooms en suite Master suite w/balcony & large walk in closet .1st floor Guest suite.Water views from every room, dining & reception area.Gazebo by the water.Open kitchen. staff area.powder room.oversized pool w/Cabana room &cabana bath.Double access ( service access &main access) Lush garden offers total privacy . Enclosed two car garage.

Additional information

MLS^® ID: A11782312

Interior Features

Bedrooms: 5
Bathrooms: 7
Cooling: Yes
Heating: Yes
Basement: No

Exterior Features

Lot Size: 0.42 Acres

Other Property Details

Taxes: $172,413
Tax Frequency: Annually
Garage: Yes
View: Yes
Pool: Yes
Waterfront: Yes

Based on information from the Miami Association of REALTORS®. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed.

Data last updated 10:53 PM UTC, 7/7/2026.

Listed by: DLS International Realty, 305-459-3875