Home in 571 S Mashta Drive, Key Biscayne, FL 33149 for sale with MLS# A12076783

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.

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Days on the market

571 S Mashta Drive, Key Biscayne, FL 33149

Price
Price:
$6,350,000.00
Original List Price:
$5,950,000.00
List Price per Sq Ft (Calculated, Approx.):
$2,299.89
Property Status and Type
Listing Type:
For Sale
Status:
Active
Listing Category:
Residential
Property Type:
Single Family House
Description of Last Important Update:
Price Change
Last Major Update on:
August 29, 2026 3:14 pm
Other Special Conditions:
Sold As-is
Rooms Distribution
Bedrooms:
4
Bathrooms Total:
3
Full Bath:
3
Room Type:
Family Room
Master Bedroom Bath:
Master Bdrm - Sitting, Separate Shower, Master Bdrm - Ground, Bedroom On Entry Level
Dining Area:
Formal Dining, Snack Bar/counter, L Shaped Dining
Measures
Living Area:
2,761 Sqft
Built-Up Area:
3,722 Sqft
Lot Size Dimensions and Info:
10000
Lot Size Acres:
0.23
Property Features
Waterfront:
No
Private Pool
Swimming Pool Features:
Concrete, Equipment Included
Furnished:
Unfurnished
Appliances:
Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Gas Range, Gas Water Heater, Electric Range, Ice Maker, Oven, Free-Standing Freezer
Interior:
Walk-In Closet(s), Closet Cabinetry, Kitchen Island, Built-in Features, Bar
Exterior:
Barbecue, Lighting, Built-in Barbecue
Patio and Porch:
Deck, Porch, Porch - Open
Windows:
Blinds, Other
Other Structures:
Outbuilding
Fireplace
Air Conditioning
Air Conditioning System:
Central Air, Electric
Heating
Heating System:
Central, Electric
Fence:
Fenced
Property Entrance Faces:
Southwest
Other Equipment:
Fuel Tank(s)
Construction
Year Built:
1964
Roof:
Shingle
Levels:
One
Entry Level (floor):
1
Construction Materials:
Block
Flooring:
Parquet, Marble, Ceramic Tile
Number of stories:
1
Flood Zone Code:
AE
Taxes and Expenses
Tax Annual Amount:
$55,539.00
Tax Year:
2025
Property Tax Details:
City/County
Parking
Garage
Garage Spaces:
2
Covered Spaces:
2
Parking Features:
Driveway, Garage, Garage Door Opener, Attached, Attached Garage
Utilities
Sewer:
Public Sewer
Electric:
Circuit Breakers
Water Source:
Public
Community
Pets Allowed?
Subdivision Name:
MASHTA ISLAND A REPLAT OF
Senior Community:
No
Restrictions:
See Remarks
Terms
Listing Terms Considered by Seller:
Cash, Conventional
Buyer Possession:
Close Of Escrow
Zoning and Legal
Tax Legal Description:
5-6 55 42 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 17 BLK 4 LOT SIZE 100.000 X 100 OR 16975-0825 1095 1 COC 24379-0228 03 2006 1
Real Estate Folio Number (Parcel Number):
2452050090370
Zoning:
2001
Public Schools Assigned
Elementary School:
Bay Meadows Elem
High School:
Coral Gables
Middle Or Junior School:
Ponce De Leon
Listing History
Active on the market since:
August 24, 2026
Listing Agreement executed on:
August 24, 2026
Price change occurred on:
August 29, 2026 3:14 pm
Listing Status Last Changed On:
August 24, 2026 4:00 am
Photos updated on:
August 30, 2026 7:42 pm
Last Modified:
August 30, 2026 7:43 pm
Additional Information
Courtesy of:
HR 19 Realty LLC
Attribution:
Not provided
Road Surface Type:
Paved
Location
Street Name:
Mashta
Street Number:
571
City:
Key Biscayne
State:
Florida
Zip Code:
33149
County:
Miami-Dade
Latitude:
N25° 41' 4.2''
Longitude:
W81° 49' 35.6''
Street Suffix:
Drive
Street Direction Prefix:
S
Property Map

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Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $171,982
Median Home Value $1,231,500
Median Rent $3,501/mo
Median Age 43
Population 14,628

Air Quality

Source: AirNow.gov · Miami

🌬️ Air Quality Index (AQI) 35 Good
☀️ O3 35 Good
🫁 PM2.5 35 Good
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Association of REALTORS®
Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is 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. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.