OFF MARKET

Off market jun 2020 for $535K

$881,126

Est. refi paymentEst. refi $4,110/mo

•

1,252

sq ft

420 9th St, Key Colony Beach, FL 33051

About this home

Own your piece of paradise today. This is an immaculate, updated, canal front home in Key Colony Beach. It has 2-bedrooms and 2-full bathrooms with a large unattached garage. There is room for a pool or a nice tiki hut in the yard. It features new appliances , impact windows/doors including the garage door, new sewer lines and all new electric. The air conditioning unit is only 4 years old. Furniture is negotiable. Home is currently in a vacation rental program. The half duplex next door is also for sale. You have the opportunity to own both sides.

Multi-familyProperty Type

1971Year Built

4,125 sq ftLot Size

$704Est. Price/Sq.Ft.

1 car garageParking

Listed by Paulette Thompson PA • Ocean Sotheby's International

Bought with Yvette Doherty • Coldwell Banker Schmitt Key Largo

Redfin checked: a few seconds ago

•Source:FLKMLS #589768

Redfin Estimate

$881,126

$346K since sold in June 2020$3,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.3% higher than the average sale price ($837K) of 6 comparable homes.

SOLD SEP 25, 2026
$995,000
A
2 beds2 baths1,288 sq ft
350 11th St, Key Colony Beach, FL 33051
SOLD JUL 20, 2026
$800,000
B
2 beds2 baths1,023 sq ft
741 9Th St, Key Colony Beach, FL 33051
SOLD JUN 3, 2026
$1,000,000
C
2 beds2 baths1,269 sq ft
580 9Th St, Key Colony Beach, FL 33051
SOLD DEC 23, 2025
$760,000
D
2 beds2 baths1,185 sq ft
591 9th St, Key Colony Beach, FL 33051
SOLD OCT 29, 2026
$570,000
E
2 beds2 baths1,031 sq ft
310 3rd St, Key Colony, FL 33051
SOLD JAN 23, 2026
$895,000
F
2 beds2 baths1,304 sq ft
750 9Th St, Key Colony Beach, FL 33051

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Earn from this home

Refinance

Est. cash available

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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

3 MoM

Provided by Redfin

Sale history for 420 9th St

Tax history for 420 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

Baths

Stories

Lot width

—

Lot depth

—

Lot size

4,125 Sq. Ft.

Year renovated

2006

Sq. Ft.

1,252

Year built

1971

Style

Single Family Residential

County

Monroe County

APN

0566 33 00075280000100

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 10, 2026.

Property details

Parking

Parking / Garage Information
Vehicle Storage: Detached, Off Street Parking, Garage

Interior

Interior Features
Interior Features: Smoke Alarms
Flooring: Tile Floor
Windows/Doors: Impact Rstnce Doors, Sliding Glass Doors, Impact Rstnce Window
Cooling/Heating: Ceiling Fans, Combination A/C, Heat, Central A/C
Appliances: Dishwasher, Washer, Refrigerator, Range, Oven, Microwave, Dryer
Furnished: Furniture Negotiable

Bathroom Information
# of Full Baths: 2

Exterior

Boat Slip/Dock Information
Dockage: Dock Length: 37
Dockage: Dock: Concrete

Security
Patrolled Area

Property Features
On Waterfront
Waterfront Type: Canal Front
Waterview: Canal View

Property Information
Property Condition: Updated/Remodeled
Deed Restrictions: Unknown
Pets: Pets Allowed
Rentals Allowed: Yes
Min Rental Days: 7

Lot Information
Acres: 0.09
Zoning: R-2A - Key Colony Two Family
Land Size: Less Than 1/4 Acre
Control Depth: 5
Flood Zone: AE

Building Information
Year Built: 1,971
Sq. Ft. Source: Property Data Card
Building Style: Above Flood: No
Construction: CBS
Roof: Tar/Gravel Roof

Subdivision/Neighborhood
Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)
Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)

Financial

Tax Information
Taxes: $4,662.90
Tax Year: 2,019
Tax Exemptions: None

Financial Information
Terms: Cash, Conventional

Utilities

Utility Information
Utilities: Buyer to Verify, FKAA, Municipal Sewer, Cable Available
Has Public Sewer Hook-up

Location

Homeowners Association Information
Association Info: 1st Right of Refusal: No
Association Info: Association Fee $: 0.00
Fee Includes: None

Location Information
Side: Ocean
Mile Marker: 53.50
Directions: At Mile Marker 53.5 turn off US 1 at the light onto Sadowski Causeway. Turn right onto W Ocean Drive. Turn right on 9th Street and home is half way down on the right

Neighborhood Features
Beach, Community Boat Ramp, Bike Paths

Public facts

Beds: 2
Baths: 2.0
Sq. Ft.: 1,252
Stories: 1.0
Lot Size: 4,125 square feet
Style: Single Family Residential
Year Built: 1971
Year Renovated: 2006
County: Monroe County
APN: 0566 33 00075280000100

Home facts updated by county records on Jul 10, 2026

Around this home

Schools

K - 12
Preschool & daycare

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 4.6mi

4/10

Marathon School

Public 6-12 • Assigned • 3.7mi

4/10

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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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

$838,000 – $1.01M

Sell confidently with a local market expert in Key Colony Beach. 3 minutes to get started.

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Home values near 420 9th St

Data from public records.

Address	Redfin Estimate
451 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1200 Sq. Ft.	$815,723
471 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 854 Sq. Ft.	$813,432
381 9th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1205 Sq. Ft.	$838,890
460 9th Street, Key Colony Beach, FL 2 Beds \| 3 Baths \| 1300 Sq. Ft.	$1,083,399
390 9th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1472 Sq. Ft.	$887,784
480 9th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1982 Sq. Ft.	$2,328,643
400 9th Street, Key Colony Beach, FL 3 Beds \| 2.5 Baths \| 2156 Sq. Ft.	$1,190,924

Address	Redfin Estimate
431 9th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1488 Sq. Ft.	$943,345
441 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 884 Sq. Ft.	$765,500
421 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1181 Sq. Ft.	$875,415
440 9th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1682 Sq. Ft.	$1,114,594
430 9th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1380 Sq. Ft.	$1,064,985
360 9th Street, Key Colony Beach, FL 2 Beds \| 1 Baths \| 2150 Sq. Ft.	$1,409,191
421 9th Street, Key Colony, FL 2 Beds \| 2 Baths \| 1181 Sq. Ft.	$815,740

Address	Redfin Estimate
461 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 854 Sq. Ft.	$731,260
391 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 885 Sq. Ft.	$849,072
450 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1682 Sq. Ft.	$1,057,593
410 9th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 2156 Sq. Ft.	$1,582,979
380 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1152 Sq. Ft.	$888,572
470 9th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1300 Sq. Ft.	$1,315,138
360 9th Street, KEY COL BCH, FL 4 Beds \| 3.5 Baths \| 2150 Sq. Ft.	$1,186,146

Property information provided by FLKMLS when last listed in 2020. This data may not match . Learn more.

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