MASHTA ISLAND A REPLAT OF

531 S Mashta Dr, Key Biscayne FL 33149

4 beds · 4.5 baths · 4,410 ft²

Closed

$7,490,000

Est. Payment $39,865/mo

MLS Sheet Video

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

Market insights for Key Biscayne

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

Sellers market

May 2026

100/100
Buyers marketSellers market

34

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).

9/28/2022Sold$7,490,000
6/6/2022Listed 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

531 S Mashta Dr, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$46,257/mo

Principal & Interest

$39,865

Property Tax

$6,242

Insurance

$150

HOA

$0

20% ($1,498,000)
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

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