490 S Mashta Dr
Key Biscayne, FL 33149
- 5 Beds
- 7 Baths
- 6,369 sqft (on 0.37 acres)
5 Beds
7 Baths
6,369 sqft
(on 0.37 acres)
Local Information
-- mins to
Description
Unique Residence Facing Biscayne Bay, IDX>Fortune International Realty
490 S Mashta Dr, Key Biscayne, FL 33149 is a 5 bedroom, 7 bathroom, 6,369 sqft single-family home built in 1991. It last sold for $6,150,000 on Dec 9, 2009. It is currently off market. The Trulia Estimate is $16,284,100, with a rent estimate of $70,758/month.
Home Highlights
Parking
No Info
Outdoor
Patio, Pool
View
No Info
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago
Home Details for 490 S Mashta Dr
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Levels, Entrance, & Accessibility Stories: 3 |
Fireplace & Spa Hot Tub or Spa |
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Exterior Home Features Roof: OtherExterior: OtherPatio |
Pool Pool |
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Year Built Year Built: 1991Year Updated: 1991 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 0.37 acres |
Price History for 490 S Mashta Dr
| Date | Price | Event | Source |
|---|---|---|---|
| 12/09/2009 | $6,150,000 | Sold | N/A |
| 02/22/2008 | $7,400,000 | Sold | N/A |
| 11/22/2007 | $9,500,000 | ListingRemoved | Agent Provided |
| 11/14/2007 | $9,500,000 | Listed For Sale | Agent Provided |
| 12/03/2001 | $3,150,000 | Sold | N/A |
| 12/22/1994 | $2,400,000 | Sold | N/A |
Market trends in Key Biscayne
Last updated May 2026
Avg. sale price
—
Sale-to-List Price
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Price per sq ft
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Available listings
167
2MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $105,825 |
| Assessment | $11,609,868 |
Home facts updated by county records
Comparable Sales for 490 S Mashta Dr
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.12 | Single-Family Home | $4,700,000 | 07/10/25 | 6 | 5 | 3,245 | |
0.42 | Single-Family Home | $6,500,000 | 03/31/26 | 7 | 7.5 | 5,528 | |
0.49 | Single-Family Home | $6,350,000 | 07/31/25 | 5 | 5.5 | 3,525 | |
0.28 | Single-Family Home | $4,750,000 | 02/04/26 | 4 | 3.5 | 3,382 | |
0.49 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.55 | Single-Family Home | $21,000,000 | 02/26/26 | 6 | 7 | 8,031 | |
0.53 | Single-Family Home | $5,690,000 | 06/15/26 | 6 | 5 | 3,584 | |
0.29 | Single-Family Home | $1,200,000 | 06/05/26 | 4 | 4.5 | 3,241 | |
0.64 | Single-Family Home | $4,820,000 | 08/15/25 | 6 | 6.5 | 4,165 | |
0.61 | Single-Family Home | $3,700,000 | 01/27/26 | 5 | 5 | 3,962 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 490 S Mashta Dr.
What Locals Say about Key Biscayne
At least 116 Trulia users voted on each feature.
94 % Say it's walkable to grocery stores
94 % Say kids play outside
90 % Say it's dog friendly
90 % Say it's walkable to restaurants
85 % Say people would walk alone at night
85 % Say there are sidewalks
79 % Say it's quiet
79 % Say there's holiday spirit
76 % Say they plan to stay for at least 5 years
68 % Say parking is easy
67 % Say streets are well-lit
60 % Say there are community events
58 % Say neighbors are friendly
54 % Say yards are well-kept
52 % Say there's wildlife
50 % Say car is needed
Sourced by Trulia users. Learn more about our methodology.
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