For saleActiveListed Aug 24, 2026 · 57 days
$6,350,000

571 S Mashta Dr, Key Biscayne, FL 33149

4 beds3 baths2,761 sq ft$2,300 per sq ftBuilt 1964

As of , this 4 bedroom, 3 bath house is for sale at $6,350,000 ($2,300 per sq ft). It was listed on .

MLS data updated .

Key facts

Type
House
Year built
1964
Property tax
$55,539 (2025)
Parking
2 garage spaces
Waterfront
No
Pets
Pets allowed
Cooling
Central Air, Electric
Heating
Central, Electric
MLS number
A12076783

Listing information

Listing courtesy of HR 19 Realty LLC, 786-477-5091, leslie.fuentes@bellsouth.net

Listing agent: Adolfo I Yanes Luciani, adolfo@grupomre.com

BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.

MIAMI MLS. Listing data from MIAMI MLS (South East Florida Regional MLS). Information is deemed reliable but not guaranteed.

Listing information is provided for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify homes consumers may want to buy or rent.

Listing last changed .

From the listing

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.

The text above is the listing description from the MLS, as written by the listing agent.

The Key Biscayne market

As of , the median asking price in Key Biscayne is $2,235,000, or $1,141 per sq ft, across 147 listings for sale. The median listing for sale there has been on the market for 109 days.

Price and status history

Listing date
Days on market
57
Original list price
$5,950,000
Price changes
1
DateEventPrice
Price changed$5,950,000 → $6,350,000
Listed$5,950,000

From the MLS. RealVista does not show sold prices.

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