Nicely furnished two bedroom/two bath half-duplex located in the ''Gem of the Keys'' Key Colony Beach. This property has a 30 ft concrete sea wall and is currently used as a vacation rental. The City of Key Colony Beach allows 7 night rentals. The property is East facing for the shady evening Bar-b-ques. Key Colony Beach has it all a marina, golf course, Sunset Park, play ground, tennis courts and much more.
Single-familyProperty Type
1970Year Built
3,300 sq ftLot Size
$762Est. Price/Sq.Ft.
Listed by Lisa Joseph• Key Colony Beach Realty
Bought with Kim Show• Coldwell Banker Schmitt Real Estate Co.
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Refinance
$0
Est. cash available
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Rent
$2,085/mo
Redfin rental estimate
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Market trends in Key Colony Beach, FL
Last updated October 2026
Buyer's Market
Seller's Market
Buyer's market
Sale-to-list price
94.5%
+0.4% MoM
Median sale price
$1.3M
$10K MoM
Avg. days on market
230d
27 days MoM
Recently sold homes
14
3 MoM
Provided by Redfin
Sale history for 400 4Th St
Date
Event
Price
FLKMLS #591399
Mar 23, 2021
Sold
$475,000
$495/sq ft
Jun 24, 2020
Listed
$475,000
$495/sq ft
FLKMLS #539950
May 15, 2020
Listing Removed
—
Jan 23, 2007
Listed
$1,075,000
$1,120/sq ft
FLKMLS #539955
May 15, 2020
Listing Removed
—
Jan 23, 2007
Listed
$645,000
$672/sq ft
Beaches MLS #R3256644
Mar 28, 2012
Sold
$260,000
$271/sq ft
Jan 30, 2012
Listed
$259,000
$270/sq ft
Public Records
Jul 29, 2005
Sold
$580,000
$604/sq ft
FLKMLS #524209
Mar 31, 2005
Listing Removed
—
Oct 25, 2004
Listed
$1,659,800
$1,729/sq ft
Public Records
May 29, 2001
Sold
$205,000
$214/sq ft
FLKMLS #505360
Apr 27, 2001
Sold
$205,000
$214/sq ft
Jan 5, 2001
Listed
$214,500
$223/sq ft
Public Records
Jan 21, 1997
Sold
$116,000
$121/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$6,173 (−4.7%)
$429,000 + $183,715
$612,715
2025
$6,478 (−4.6%)
$446,160 + $186,421
$632,581
2024
$6,788 (+9.1%)
2023
$6,219 (+16.8%)
2022
$5,325 (+23.6%)
$323,136 + $181,330
$504,466
2021
$4,309 (+13.0%)
2020
$3,814 (−2.9%)
$218,790 + $127,673
$346,463
2019
$3,930 (+6.2%)
$218,790 + $127,673
$346,463
2018
$3,701 (+4.8%)
$213,287 + $136,030
$349,317
2017
$3,530 (+16.4%)
$220,085 + $136,129
$356,214
2015
$3,034 (+2.2%)
$221,750 + $117,437
$339,187
2014
$2,970
Tax history for 400 4Th St
Year
Property tax
Land + Additions
Assessment*
2026
$6,173 (−4.7%)
$429,000 + $183,715
$612,715
2025
$6,478 (−4.6%)
$446,160 + $186,421
$632,581
2024
$6,788 (+9.1%)
2023
$6,219 (+16.8%)
2022
$5,325 (+23.6%)
$323,136 + $181,330
$504,466
2021
$4,309 (+13.0%)
2020
$3,814 (−2.9%)
$218,790 + $127,673
$346,463
2019
$3,930 (+6.2%)
$218,790 + $127,673
$346,463
2018
$3,701 (+4.8%)
$213,287 + $136,030
$349,317
2017
$3,530 (+16.4%)
$220,085 + $136,129
$356,214
2015
$3,034 (+2.2%)
$221,750 + $117,437
$339,187
2014
$2,970
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
2
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
3,300 Sq. Ft.
Year renovated
2005
Sq. Ft.
960
Year built
1970
Style
Single Family Residential
County
Monroe County
APN
0466 33 00072960000100
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Nov 12, 2026.
Aug 10, 2024 • Final
Building
Bathroom
Kitchen
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.