300 3rd St is a 1,031 square foot house on a 3,300 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on February 17, 2026 for $535,000. Based on Redfin's Key Colony Beach data, we estimate the home's value is $669,736.
Single-familyProperty Type
1982Year Built
3,300 sq ftLot Size
$650Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$669,736
$135K since sold in February 2026$12K since October
Recently sold homes
Estimate history
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This home's estimate is 20.5% lower than the average sale price ($843K) of 6 comparable homes.