SOLD MAR 4, 2026
Off market mar 2026 for $1.3M
$1,488,136
Est. refi paymentEst. refi $10,122/mo
3
bd
•
4 ba
•
1,596
sq ft

640 9th St, Key Colony Beach, FL 33051

map-entry

About this home

Single-familyProperty Type
1988Year Built
4,125 sq ftLot Size
$932Est. Price/Sq.Ft.
1 spaceParking
Listed by Karen Raspe • Ocean Sotheby's International
Listed by Ally Kelley • Ocean Sotheby's International
Bought with Nate Bartlett • Berkshire Hathaway HomeServices Keys Real Estate
Redfin checked: a few seconds ago
•Source:FLKMLS #617620
Listing provided courtesy of Florida Keys MLS (FLKMLS)

Redfin Estimate

$1,488,136
$178K since sold in March 2026$18K since September

This home's estimate is 32.2% higher than the average sale price ($1.13M) of 5 comparable homes.

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Earn from this home

Refinance
$0
Est. cash available

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Rent
$3,345/mo
Redfin rental estimate

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Market trends in Key Colony Beach, FL

Sale history for 640 9th St

Tax history for 640 9th St

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds
3
Baths
4
Stories
3
Lot width
—
Lot depth
—
Lot size
4,125 Sq. Ft.
Year renovated
2008
Sq. Ft.
1,596
Year built
1988
Style
Single Family Residential
County
Monroe County
APN
0566 33 00075170000100
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Apr 21, 2026.

Property details

Around this home

Schools

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 4.6mi

5/10
Marathon School

Public 6-12 • Assigned • 3.8mi

5/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

Heat Factor

We're working on getting current and accurate heat risk information for this home.

10/10 Wind Factor

99% chance of strong winds in next 30 years

1/10 Air Factor

0 unhealthy days expected this year, 0 days in 30 years

Provided by First Street

Historical weather

Key Colony Beach, FL • 33051
Average low and high temperatures (°F)
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79
73
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70
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Sun exposure

In this area, properties receive around 10 hours in June and 7.3 hours in December, placing it above the U.S. average for solar exposure.

10 hrs
7.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.41M – $1.71M

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Property information provided by FLKMLS when last listed in 2025. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.