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For SaleSingle Family ResidenceActive

571 S Mashta Dr

Key Biscayne, FL 33149

$6,350,000

82 Days On Site

  • 4Beds
  • 3Baths3 full
  • 2,761Sq Ft
  • $2,300Per Sq Ft
  • 0.2296Acres
  • 1964Built
Subdivision
Mashta Island A Replat Of
County
Miami-Dade
MLS®
A12076783

Overview

Enjoy your own paradise in the paradise—an exceptional, move-in-ready residence on prestigious Mashta Island, one of Key Biscayne's most exclusive and tranquil enclaves. Beautifully remodeled and designed for relaxed yet sophisticated island living, this home offers exceptional indoor and outdoor spaces to enjoy with family and friends. Outdoor living takes center stage with a heated pool and spectacular covered entertainment area featuring a custom BBQ, grill, sink, granite counters and seating for up to 12 guests—the perfect setting for weekend gatherings, celebrations and year-round enjoyment of the Key Biscayne lifestyle. Bright, inviting interiors feature a spacious open layout that seamlessly connects the living, dining and kitchen areas. The impressive chef's kitchen is equipped with premium Viking appliances, generous cooking island and abundant granite counter space. Marble flooring enhances the main living areas, while warm wood floors add character to the private bedroom spaces. The primary suite opens directly to the pool area and features a large walk-in closet and a luxurious bath with steam shower. The property is on a 10,000 SF lot with an ample circular driveway, covered garage for two vehicles and a large additional side parking.

Listing Snapshot

Price
$6,350,000
Days On Site
82 Days
Bedrooms
4
Inside Area (SqFt)
2,761 sqft
Total Baths
3
Full Baths
3
Partial Baths
0
Lot Size
0.2296 Acres
Year Built
1964
MLS® Number
A12076783
Status
Active
Property Tax
$55,539 (2025)
HOA/Condo/Coop Fees
N/A
Sq Ft Source
N/A

Property Details

General Features

12 items
Attached Garage
Yes
Direction Faces
Southwest
Garage
Yes
Garage Spaces
2
Parking
Attached, Driveway, Garage, Garage Door Opener
Pets
Cats OK, Dogs OK, Yes
Property Sub Type
Single Family Residence
Sewer
Public Sewer
SqFt Total
3,722
Style
Detached, OneStory
Water Source
Public
Zoning
2001

Interior Features

8 items
Appliances
Dryer, Dishwasher, Electric Range, Freezer, Disposal, Gas Range, Gas Water Heater, Ice Maker, Microwave, Refrigerator, Wine Cooler, Washer, Oven
Cooling
Central Air, Electric
Fireplace
Yes
Flooring
Ceramic Tile, Marble, Parquet
Furnished
Unfurnished
Heating
Central, Electric
Interior
Breakfast Bar, Built-in Features, Kitchen Island, Bar, Walk-In Closet(s), Master Downstairs
Window Features
Blinds

Exterior Features

11 items
Construction Details
Block
Exterior
Barbecue, Lighting, Outdoor Grill
Fencing
Fenced
Other Structures
Shed(s)
Patio And Porch
Deck, Porch
Pool Features
Private
Private Pool
Yes
Roof
Shingle
View
None
Waterview
None
Windows/Doors
Blinds

Community Features

3 items
MLS Area
52
Financing Terms Available
Cash, Conventional
Roads
Paved

Location

571 S Mashta Dr, Key Biscayne, FL 33149 · 52

Neighborhood & Commute

ZIP Code 33149

Median household income
$152,895
Income per person
$72,459
Households
5,812
Average household size
2.75
Median age
41.6

Source: Walk Score.

Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.

Schools

Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Mast Academy

Price & Status History

  1. Listing updated with changes from the MLS®
  2. Price changed to $6,350,000
  3. Status changed to Active
  4. Listing first seen on site

Friends & Family

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Listing courtesy of HR 19 Realty LLC (305) 458-8314

Stellar MLS

Listing information is provided by Participants of the Stellar MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Properties displayed may be listed or sold by various participants in the MLS Copyright 2026, Stellar MLS.

Last checked: 2026-11-14 01:35 AM EST

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