591 N Mashta Drive, Key Biscayne, FL 33149

Key Biscayne
Local realty services provided by:Better Homes and Gardens Real Estate Florida 1st
591 N Mashta Drive,Key Biscayne, FL 33149
$15,500,000
Virtual Tour
  • 4 Beds
  • 5 Baths
  • 4,290 sq. ft.
  • Single family
  • Active
Listed by: cristina d anglemont de tassigny
Office: exp realty llc.
MLS#:A11924175
Source:RMLS

Price summary

  • Price:$15,500,000
  • Price per sq. ft.:$2,492.36

About this home

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.

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Home facts

  • Year built:1960
  • Listing ID #:A11924175
  • Added:20 day(s) ago
  • Updated:June 15, 2026 at 02:45 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:5
  • Full bathrooms:4
  • Half bathrooms:1
  • Flooring:Wood
  • Kitchen Description:Dishwasher, Disposal, Microwave
  • Living area:4,290 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Central
  • Central air:Yes

Structure and exterior

  • Roof:Aluminum
  • Year built:1960
  • Building area:4,290 sq. ft.
  • Construction Materials:Block
  • Exterior Features:Deck
  • Levels:1 Story

Schools

  • High school:Coral Gables
  • Middle school:Ponce De Leon
  • Elementary school:Key Biscayne K-8

Utilities

  • Water:Public
  • Sewer:Septic Tank

Finances and disclosures

  • Price:$15,500,000
  • Price per sq. ft.:$2,492.36
  • Tax amount:$112,793 (2025)

Features and amenities

  • Appliances:Dishwasher, Disposal, Dryer, Microwave
  • Laundry features:Dryer
  • Pool features:In Ground

Parking

  • Garage:Yes
  • Garage spaces:2
All listings featuring the BMLS logo are provided by BeachesMLS Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright 2026 Beaches Multiple Listing Service, Inc. Information is provided exclusively 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. RMLS Member Broker: Gene Whiddon III <gwhiddon@bhgfirst.com>

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