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.
Current real estate data for Single Family in Key Biscayne as of Nov 04, 2026
41
Single Family Listed
150
Avg DOM
2,613
Avg $ / SqFt
$14,294,537
Avg List Price
Listing Provided Courtesy of HR 19 Realty LLC at 786-477-5091
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:
2520
Listed Date:
Aug 24, 2026
Finished Sq Ft:
2,761
Total Sq Ft:
3,722
Lot Size:
435,600,000 sqft / 0.23 acres (approx)
Year Built:
1964
Schools
Elementary School:
Key Biscayne K-8
Middle School:
Ponce De Leon
High School:
Coral Gables
Interior
Appliances
Gas Water Heater, Dishwasher, Disposal, Dryer, Electric Range, Free-Standing Freezer, Gas Range, Ice Maker, Microwave, Oven, Refrigerator, Washer
Bathrooms
3 Full Bathrooms
Cooling
Central Air, Electric
Flooring
Ceramic Tile, Marble, Parquet
Heating
Central, Electric
Interior Features
Bar, Built-in Features, Closet Cabinetry, Kitchen Island, Walk-In Closet(s)
Levels
One
Exterior
Attached Garage YN
1
Construction Materials
Block
Covered Spaces
2
Direction Faces
Southwest
Exterior Features
Barbecue, Built-in Barbecue, Lighting
Fencing
Fenced
Garage Spaces
2
Other Structures
Outbuilding
Parking Features
Attached, Attached Garage, Driveway, Garage, Garage Door Opener
Patio And Porch Features
Porch – Open, Porch, Deck
Roof
Shingle
Window Features
Blinds, Other
Financial
Tax Year
2025
Taxes
$55,539
Map
Contact Us
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Community
- Address571 S Mashta Drive Key Biscayne FL
- SubdivisionMASHTA ISLAND A REPLAT OF
- CityKey Biscayne
- CountyMiami-Dade
- Zip Code33149
Property Summary
- Located in the MASHTA ISLAND A REPLAT OF subdivision, 571 S Mashta Drive 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 $2,613. The average listing price for Single Family in Key Biscayne is $14,294,537. To schedule a showing of MLS#a12076783 at 571 S Mashta Drive in Key Biscayne, FL, contact your Trust House Realty agent at 9543362003.
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