MASHTA ISLAND A REPLAT OF
571 S Mashta Dr, Key Biscayne FL 33149
4 beds · 3 baths · 2,761 ft²
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.
SOLD$5,799,000
4 bd · 4 ba · 3,382 sqft
669 S Mashta Dr, Key Biscayne FL 33149
SOLD$6,099,999
3 bd · 5 ba · 2,257 sqft
350 Ocean Dr # 1206N, Key Biscayne FL 33149

$5,378,000
4 bd · 4 ba · 3,549 sqft
690 Warren Ln, Key Biscayne FL 33149
SOLD$5,549,000
3 bd · 5 ba · 2,357 sqft
350 Ocean Dr # 201N, Key Biscayne FL 33149
SOLD$5,790,000
5 bd · 5 ba · 4,444 sqft
375 Harbor Ln, Key Biscayne FL 33149
SOLD$5,400,000
3 bd · 4 ba · 2,257 sqft
360 Ocean Dr # 506S, Key Biscayne FL 33149
SOLD$7,000,000
3 bd · 5 ba · 2,257 sqft
360 Ocean Dr # 1106S, Key Biscayne FL 33149
SOLD$5,300,000
3 bd · 3 ba · 2,622 sqft
791 Crandon Blvd, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
October 2026
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).
| 8/29/2026 | Price change | $6,350,000+6.7% |
| 8/24/2026 | Listed 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
Estimated Monthly Payment
$39,239/mo
Principal & Interest
$33,797
Property Tax
$5,292
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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