$14,000,000

591 N Mashta Dr, Key Biscayne FL, 33149

Price per sqft$3,263.40

Built in1960

Property size4,290 sqft

Property typeResidential

Overview

Sold

Closed

Listed Nov 26, 2025

Updated Aug 6

BEAUTIFUL AND UNIQUE WATERFRONT HOME ON EXCLUSIVE MASHTA ISLAND, ON DESIRABLE NORTH MASHTA DR IN KEY BISCAYNE. ELEVATED AND VERY COMFORTABLE 4BR/4.5BA + MAID’S QUARTERS WITH APPROX. 4,290 SQ FT UNDER A/C, SITTING ON A LARGE AND PRIVATE 15,184 SQ FT LOT, IDEAL FOR ENJOYING WITH FAMILY AND FRIENDS. APPROX. 50 FT DOCK WHERE THE OWNERS HAVE DOCKED BOATS OF AROUND 78 FT, WITH DEEP WATER OF ABOUT 8 FT EVEN AT LOW TIDE – A RARE TRUE DEEP-WATER ACCESS ON THE ISLAND. NORTH-FACING CANAL KEEPS THE HOUSE AND OUTDOOR AREAS PLEASANT AND COOLER ALL YEAR ROUND. EASY TO SHOW. BRING YOUR QUALIFIED BUYERS AND BEST OFFERS.

Additional information

MLS^® ID: A11924175

Interior Features

Bedrooms: 4
Bathrooms: 5
Cooling: Yes
Heating: Yes
Basement: No

Exterior Features

Lot Size: 0.35 Acres

Other Property Details

Taxes: $112,793
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 8:51 AM UTC, 8/6/2026.

Listed by: EXP Realty LLC, 888-883-8509