MASHTA ISLAND A REPLAT OF
531 S Mashta Dr, Key Biscayne FL 33149
4 beds · 4.5 baths · 4,410 ft²
$7,490,000
Est. Payment $39,865/mo
4
Bedrooms
4.5
Bathrooms
4,410
Sq. Ft.
2012
Year Built
50
Days on Market
Description
Contemporary Key West Style smart home ideally located on the prestigious Mashta Island! Rare opportunity to own a newly constructed home that has been exquisitely finished with elegant cutting edge interior design with top of the line appliances. No expenses were spared! This home offers high ceilings and an open flexible floor plan perfect for both families and /or individuals. This house features a contemporary bar, premium appliances, multiple terraces, resort like entertainment area with river stone pool and hot tub.
Facts
- MLS#
- A11217453
- Subdivision
- MASHTA ISLAND A REPLAT OF
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 2012
- Lot Size
- 10,000 ft²
- Sq. Ft.
- 4,410 ft²
- Sq. Mt.
- 410 m²
- Price per sq. ft.
- $1,698/ft²
- Price per sq. mt.
- $18,268/m²
- Stories
- —
- Garage
- —
- Pool
- —
- Days on Market
- 50 days
- Listed
- Jun 6, 2022
- Last Updated
- Sep 28, 2022
- Price/Lot Sq.Ft.
- $749/ft²
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Same ZIP, similar price + bedrooms.
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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).
| 9/28/2022 | Sold | $7,490,000 |
| 6/6/2022 | Listed for sale | $7,490,000 |
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
$46,257/mo
Principal & Interest
$39,865
Property Tax
$6,242
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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