571 S Mashta Dr Key Biscayne FL 33149 | MLS #A12076783

571 S Mashta Dr
Key Biscayne, FL, 33149
$6,350,000
4 Beds
3 Baths
2,761 SqFt
0 Acres
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MLS #A12076783 image #0
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.

Property Details

Price:
$6,350,000
MLS #:
A12076783
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
MASHTA ISLAND A REPLAT OF
Neighborhood:
mashtaislandareplatof
Listed Date:
Aug 24, 2026
Finished Sq Ft:
2,761
Total Sq Ft:
3,722
Year Built:
1964
Mashta Island A Replat OfMashtaislandareplatofMashta Island A Replat OfKeybiscaynePonce De LeonMast AcademyNoneSee Broker Remarks

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Schools

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

Interior

Appliances
Bottled Gas, Dishwasher, Disposal, Dryer, Electric Range, Gas Range, Gas Water Heater, Ice Maker, Microwave, Refrigerator, Free-Standing Freezer, Wall Oven, Washer
Bathrooms
3 Full Bathrooms
Cooling
Central Air, Electric
Flooring
Ceramic Floor, Marble, Parquet
Heating
Central, Electric
Interior Features
First Floor Entry, Bar, Built-in Features, Closet Cabinetry, Cooking Island, Walk-In Closet(s), Family Room

Exterior

Architectural Style
Detached, One Story
Attached Garage YN
1
Community Features
Paved Road
Construction Materials
Concrete Block Construction
Covered Spaces
2
Direction Faces
Southwest
Exterior Features
Barbeque, Built-In Grill, Lighting
Fencing
Fenced
Garage Spaces
2
Lot Features
Less Than 1/4 Acre Lot
Open Parking YN
1
Other Structures
Extra Building/Shed
Parking Features
Driveway
Patio And Porch Features
Deck, Open Porch
Roof
Shingle
View
None
Window Features
Blinds, High Impact Windows, Picture Window

Financial

Tax Year
2025
Taxes
$55,539

Map

Community

Subdivisions in Key Biscayne

Market Summary

Current real estate data for Single Family in Key Biscayne as of Sep 01, 2026
42
Single Family Listed
169
Avg DOM
2,825
Avg $ / SqFt
$15,122,881
Avg List Price

Property Summary

    Located in the MASHTA ISLAND A REPLAT OF subdivision, 571 S Mashta Dr Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $6,350,000 and features 4 beds, 3 baths, and has approximately 2,761 square feet of living space, and was originally constructed in 1964. The current price per square foot is $2,300. The average price per square foot for Single Family listings in Key Biscayne is $2,825. The average listing price for Single Family in Key Biscayne is $15,122,881. To schedule a showing of MLS#a12076783 at 571 S Mashta Dr in Key Biscayne, FL, contact your CENTURY 21 Carioti agent at 2392986550.

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571 S Mashta Dr
Key Biscayne, FL