MASHTA ISLAND A REPLAT OF,MASHTA ISLAND
610 S Mashta Dr, Key Biscayne FL 33149
7 beds · 6.5 baths · 6,490 ft²
$14,850,000
Est. Payment $79,038/mo
7
Bedrooms
6.5
Bathrooms
6,490
Sq. Ft.
1969
Year Built
2
Garage
0
Days on Market
Description
Unique opportunity in the market, newly remodeled house in 2019. Move in just with your toothbrush!!! Exclusive elegant waterfront house with spectacular daily sunset views and exquisite decoration. This beautiful house emulates a French Riviera property with all the modern features: formal dinning, living room, kitchen, office and bedrooms with direct view to the bay, wine cellar, Gaggenau appliances (fridge, steam oven, oven, gas stove), fully equipped gym, Lutron smart technology controls lighting and audio that creates spectacular interior and outdoor settings, elevator, heated swimming pool, generator and impressive private deck with boatlift.
Facts
- MLS#
- A11055730
- Subdivision
- MASHTA ISLAND A REPLAT OF,MASHTA ISLAND
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1969
- Lot Size
- 15,000 ft²
- Sq. Ft.
- 6,490 ft²
- Sq. Mt.
- 603 m²
- Price per sq. ft.
- $2,288/ft²
- Price per sq. mt.
- $24,627/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- —
- Listed
- Jun 11, 2021
- Last Updated
- Aug 13, 2021
- Price/Lot Sq.Ft.
- $990/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$14,950,000
7 bd · 7 ba · 3,890 sqft
4 Harbor Point, Key Biscayne FL 33149
SOLD$15,500,000
7 bd · 8 ba · 9,848 sqft
766 Harbor Dr, Key Biscayne FL 33149
SOLD$14,250,000
6 bd · 7 ba · 6,373 sqft
900 HARBOR DRIVE, Key Biscayne FL 33149
SOLD$14,995,000
6 bd · 6 ba · 4,414 sqft
470 W Matheson Dr, Key Biscayne FL 33149
SOLD$12,600,000
7 bd · 8 ba · 4,657 sqft
200 Knollwood Dr, Key Biscayne FL 33149

$12,980,000
6 bd · 8 ba · 6,405 sqft
420 Island Dr, Key Biscayne FL 33149
SOLD$12,950,000
6 bd · 6 ba · 5,191 sqft
945 Mariner Drive, Key Biscayne FL 33149
SOLD$13,500,000
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890 HARBOR DRIVE, 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
May 2026
77
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).
| 8/13/2021 | Sold | $14,850,000 |
| 6/11/2021 | Listed for sale | $14,850,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
The Quest CenterPK,KG,1,2,3,4,5,6,7,8,9,10,11,12 · public · 0.3 mi
Driftwood Middle School6,7,8 · public · 0.5 mi
Driftwood Elementary SchoolPK,KG,1,2,3,4,5 · public · 0.5 mi
Grace Christian AcademyKG,1,2,3,4,5,6,7,8,9,10,11,12 · private · 0.7 mi
Sheridan Park Elementary SchoolPK,KG,1,2,3,4,5 · public · 0.7 mi
PK-12 Virtual Academy Inc.3,5,8,9 · private · 0.7 mi
Hollywood Christian SchoolPK,TK,KG,1,2,3,4,5,6,7,8,9,10,11,12 · private · 1.0 mi
Lycee France-AmericanPK,KG,1,2,3,4,5 · private · 1.0 mi
International School Of Broward6,7,8,9,10,11,12 · charter · 1.1 mi
St Anthonys School of Higher Education1,2,3,4,5,6,7,8,9,10,11,12 · private · 1.2 mi
Estimated Monthly Payment
$91,563/mo
Principal & Interest
$79,038
Property Tax
$12,375
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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