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Beaches Multiple Listing ServiceNational Association of RealtorsEqual Housing Opportunity

Listing data: BeachesMLS. Information not verified for authenticity or accuracy and not guaranteed; may not reflect all real estate activity in the market. © 2026 Beaches Multiple Listing Service, Inc. All rights reserved. Information Not Guaranteed and Must Be Confirmed by End User.

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  1. Home›
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  3. Key Biscayne›
  4. 571 S Mashta Drive, Key Biscayne, FL 33149

Key Biscayne · FL

571 S Mashta Drive, Key Biscayne, FL 33149

Key Biscayne, FL 33149

Status: ActiveHouse · Single Family Residence2,761 sqftBuilt in: 1964DOM: 6Original Listing Price: $5,950,000Garage: 2

Price

$6,350,000

Price per sqft: $2,155/sqft

4

Bedrooms

3

Baths

2,761

SqFt

Active
571 S Mashta Drive, Key Biscayne, FL 33149

MLS® ID: A12076783

About this home in Key Biscayne

An exceptional find, this sophisticated Single Family Residence configured with 4 bedrooms and 3 baths anchored at 571 S Mashta Drive, Key Biscayne, FL 33149, Key Biscayne, presenting 2,761 sq ft of comfortable living area. The home features Block construction with a Southwest-facing exposure under a Shingle roof. Outdoors, the pool area features Concrete and Equipment Included. Outside, the property offers Built-in Barbecue, Barbecue, and Lighting. Located in Mashta Island A. The home sits on a 0.23-acre lot with dimensions of 10000, with total building area of 3,722 sq ft. Inside, you'll find Bar, Built-in Features, Kitchen Island, Walk-In Closet(s), and Closet Cabinetry. Underfoot, the home offers Ceramic Tile, Marble, and Parquet. Climate is managed via Central Air and Electric cooling and Central and Electric heating. No HOA fees apply. The seller's current annual tax bill is roughly $55,539. Offered at $6,350,000 (~$2,300/sqft). The seller accepts Cash and Conventional. Currently active on the market; pets allowed; 56 days on market.

4

Bedrooms

3

Baths

2,761

SqFt

House

Type

Explore more

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Listing courtesy of HR 19 Realty LLC. Information is deemed reliable but not guaranteed. © BeachesMLS.

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▲60.7% above market
+60.7%

This listing: $2300/sqft · Area median: $1431/sqft

Based on 11 recent sales in ZIP 33149 (last 90 days)

Est. payment

$39,119/mo

Principal & interest
$32,109
Property taxes
$4,628
Home insurance
$2,381
HOA fees
N/A

Utilities not included

Calculations are estimates only and not a loan commitment. Taxes, insurance, rates and APR may vary. Final approval depends on lender review.

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