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Property Description
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.
Full Property Details
Full Property Details for 571 S Mashta Dr
General
- Price: $5,950,000
- Taxes: $55,539 (2025)
- Status: Active
- Type: Single Family
- Source: Greater_Miami
- MLS ID: A12076783
- Updated: 8/28/2026
- Added to Site: 5 day(s) ago
Interior
- Interior Features: First Floor Entry, Bar, Built-in Features, Closet Cabinetry, Cooking Island, Walk-In Closet(s), Family Room
- Fireplace: Yes
- Fireplace(s): Fireplace
- Appliances: Bottled Gas, Dishwasher, Disposal, Dryer, Electric Range, Gas Range, Gas Water Heater, Ice Maker, Microwave, Refrigerator, Free-Standing Freezer, Wall Oven, Washer
- Furnishings: Unfurnished
- Flooring: Ceramic Floor, Marble, Parquet
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 4
- Primary Bathroom: Shower Only
Bedrooms
- Total Bedrooms: 4
- Bedroom Features: Entry Level, Primary Bath Shower, Primary Bedroom Ground Level, Sitting Area - Primary Bedroom
Other Rooms
- Living Room: Family Room Sq. Ft.
- Dining Room: Formal Dining, L Shaped Dining, Snack Bar/Counter
Additional Information
- Pool: Yes
- Pool Description: Concrete, Equipment Stays, 20x40
- Equipment: Automatic Garage Door Opener
Exterior
- Exterior Features: Barbecue, Built-In Grill, Lighting
- Deck/Patio: Deck, Open Porch
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 2
- Covered Spaces: 2
- Parking Features: Driveway
Location
- Area: Mashta Island A Replat Of
- County: Miami-Dade County
- Subdivision: MASHTA ISLAND A REPLAT OF
- Building Name: MASHTA ISLAND A REPLAT OF
- Direction Faces: Southwest
School Information
- Elementary School: Keybiscayne
- Middle School: Ponce De Leon
- High School: Mast Academy
Community
- Community Name: Mashta Island A Replat Of
Heating & Cooling
- Air Conditioning: Yes
- Cooling Type: Central Air, Electric
- Heating Type: Central, Electric
Utilities
- Sewer: Public Sewer
- Water: Municipal Water
Structural Information
- Architectural Style: Detached, One Story
- Structure Type: Pool Only, House
- Detached/Attached: Detached
- Construction: Concrete Block Construction
- Roof: Shingle
- Windows: Blinds, High Impact Windows, Picture Window
- Building Size: 3722
- Square Feet: 2,761
- Living Area: 2,761 Sq. Ft.
- Year Built: 1964
Additional Structures
- Other Structures: Extra Building/Shed
Lot Features
- Property View: None
- Lot Size (Sq. Ft.): 10,000
- Lot Features: Less Than 1/4 Acre Lot
- Zoning: 2001
- Fencing (Description): Fenced
Financial Considerations
- Price Per Sq. Ft.: $2,155.02
- Tax Amount: $55,539
- Tax Year: 2025
- Terms: All Cash, Conventional
Disclosures and Reports
- Ownership: Corporation
- 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
- Restrictions: See Broker Remarks
- Property ID: 24-52-05-009-0370
Listed by HR 19 Realty LLC
Get Pre-Approved Today
Schools
Schools serving 571 S Mashta Dr
School District:Dade County School District
| Name | Grades | Distance |
|---|---|---|
Key Biscayne K-8 Center 150 West McIntyre Street, Key Biscayne, FL 33149 | PK-5 | 0.6 mi |
Ponce De Leon Middle School 5801 Augusto Street, Coral Gables, FL 33146 | 6-8 | 6.5 mi |
Coral Gables Senior High School 450 Bird Road, Coral Gables, FL 33146 | 9-12 | 6.5 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 571 S Mashta Dr
Date
Details
Price
Change
Source
8/24/2026
Listed
$5,950,000
102.04%
MLS
4/09/2021
Sold
$2,945,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 571 S Mashta Dr
Year
Property Taxes
Change
Tax Assessment
Change
2024
$51,023
—
$3,355,961
1%
2024
$51,023
3%
$3,309,646
—
2023
$49,321
49%
$3,315,514
70%
2021
$33,142
-20%
$1,947,118
-23%
2022
$41,219
24%
$2,521,384
29%
2021
$33,142
3%
$1,949,650
—
2019
$32,204
-3%
$1,943,178
-6%
2018
$33,091
-6%
$2,065,634
-5%
2017
$35,035
-2%
$2,168,090
—
2016
$35,931
6%
$2,170,546
9%
2015
$33,752
26%
$1,995,390
26%
2014
$26,699
2%
$1,580,257
1%
2013
$26,185
—
$1,556,904
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 571 S Mashta Dr
571 S Mashta Dr, Key Biscayne, FL 33149 (MLS# A12076783) is a Single Family property with 4 bedrooms and 4 full bathrooms. 571 S Mashta Dr is currently listed for $5,950,000 and was received on August 24, 2026. Want to learn more about 571 S Mashta Dr? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

