MASHTA ISLAND A REPLAT OF

571 S Mashta Dr, Key Biscayne FL 33149

4 beds · 3 baths · 2,761 ft²

For Sale · Active Listing

$6,350,000

6.72%

Est. Payment $33,797/mo

MLS Sheet Video

4

Bedrooms

3

Bathrooms

2,761

Sq. Ft.

1964

Year Built

2

Garage

6

Days on Market

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.

Facts

MLS#
A12076783
Subdivision
MASHTA ISLAND A REPLAT OF
Property Type
Residential
Property Sub Type
Single Family Residence
Year Built
1964
Lot Size
10,000 ft²
Sq. Ft.
2,761 ft²
Sq. Mt.
257 m²
Price per sq. ft.
$2,300/ft²
Price per sq. mt.
$24,708/m²
Stories
—
Garage
2 spaces
Pool
—
Days on Market
6 days
Listed
Aug 24, 2026
Last Updated
Aug 30, 2026
Price/Lot Sq.Ft.
$635/ft²

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

October 2026

100/100
Buyers marketSellers market

59

Median days to sold

+4.5%

1-year price forecast (est.)

Price & tax history

From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).

8/29/2026Price change$6,350,000+6.7%
8/24/2026Listed for sale$5,950,000

History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).

Location

571 S Mashta Dr, Key Biscayne FL 33149Directions

Estimated Monthly Payment

$39,239/mo

Principal & Interest

$33,797

Property Tax

$5,292

Insurance

$150

HOA

$0

20% ($1,270,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

Hablo Español

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