OFF MARKET

Off market nov 2018 for $670K

$1,259,208

•

1,578

sq ft

450 12th St, Key Colony, FL 33051

About this home

Seller says ''LET''S MAKE A DEAL'' and has reduced the list price to make it happen! This is a diamond in the rough with Old Florida Charm! Wide open, L-Shaped floor plan with wonderful canal views. Big Kitchen with sitting room which leads out to the patio, 75 ft concrete dock with step down, dock ladder & fish cleaning station. Master suite has lovely canal views & slider to the patio too. Lots of storage in garage & new Central A/C. Come see this bright, open, east facing home. Perfect for the fishermen, diver or boater, just 5 minutes to the open ocean and gulf! All in Key Colony Beach, the heart of the Florida Keys where you can walk or bike the entire city to golf, tennis, pickle ball, basketball, bocce ball, horse shoes and Sunset Park. Your home in Paradise is waiting for you. ..

Single-familyProperty Type

1974Year Built

8,250 sq ftLot Size

$798Est. Price/Sq.Ft.

Listed by Karen Raspe, PA • Berkshire Hathaway HomeServices Keys Real Estate

Bought with Caitlin McKinney • Coldwell Banker Schmitt Real Estate Co.

Bought with Samuel Williams • Coldwell Banker Schmitt Real Estate Co.

Redfin checked: a minute ago

•Source:FLKMLS #579167

Redfin Estimate

$1,259,208

$589K since sold in November 2018$2,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.1% lower than the average sale price ($1.30M) of 6 comparable homes.

SOLD APR 20, 2026
$2,237,500
A
3 beds2 baths1,584 sq ft
520 12Th St, Key Colony Beach, FL 33051
SOLD SEP 25, 2026
$995,000
B
2 beds2 baths1,288 sq ft
350 11th St, Key Colony Beach, FL 33051
SOLD SEP 25, 2026
$1,330,000
C
2 beds2 baths1,646 sq ft
351 5th St, Key Colony, FL 33051
SOLD JUN 12, 2026
$1,900,000
D
2 beds2 baths1,705 sq ft
220 15Th Cir, Key Colony Beach, FL 33051
SOLD JUL 20, 2026
$800,000
E
2 beds2 baths1,023 sq ft
741 9Th St, Key Colony Beach, FL 33051
SOLD SEP 22, 2026
$535,000
F
3 beds2 baths1,152 sq ft
103 Stirrup Key Woods Rd, Marathon, FL 33050

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Earn from this home

Rent

$2,201/mo

Redfin rental estimate

List your home for rent

Market trends in Key Colony Beach, FL

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

94.1%

1.2% MoM

Median sale price

$1.3M

$516K MoM

Avg. days on market

203d

1 days MoM

Recently sold homes

1 MoM

New listings for sale

$764,000
4 beds2 baths1,380 sq ft
360 3rd St Ocean St, Key Colony, FL 33051
$764,000
4 beds2 baths1,380 sq ft
360 3rd St, Key Colony, FL 33051
(305) 570-4305
See all

Provided by Redfin

Sale history for 450 12th St

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Single Family Residential

County

Monroe County

APN

00077540-000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 19, 2021.

Property details

Parking

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

Interior

Interior Features
Interior Features: Drapes/Blinds Incl, Storage
Flooring: Tile Floor, Carpet
Windows/Doors: Other Windows/Doors
Cooling/Heating: Central A/C, Heat, Ceiling Fans
Appliances: Washer, Disposal, Microwave, Range, Refrigerator, Dishwasher, Dryer
Furnished: Furnished

Bathroom Information
# of Full Baths: 2

Exterior

Boat Slip/Dock Information
Dockage: Dock Length: 75
Dockage: Dock: Concrete

Exterior Features
Porch/Balcony: Patio
Shutters: Accordion

Security
Patrolled Area

Property Features
Accessibility Features: None
On Waterfront
Waterfront Type: Canal Front
Waterview: Canal View

Property Information
Deed Restrictions: No
Pets: Pets Allowed
Rentals Allowed: Yes
Min Rental Days: 7

Lot Information
Acres: 0.19
Zoning: R-1A - Key Colony Single Family
Land Size: Less Than 1/4 Acre
Control Depth: 4
Flood Zone: AE

Building Information
Year Built: 1,974
Sq. Ft. Source: Property Data Card
Building Style: Ground Level
Building Style: Above Flood: Unknown
Construction: CBS
Roof: Shingle Roof

Subdivision/Neighborhood
Subdivision: Key Colony Bch 1st Addn Amd Plat (53.5)

Financial

Tax Information
Taxes: $4,365.11
Tax Year: 2,016
Tax Exemptions: Homestead

Financial Information
Terms: Buyer Obtain Finance

Utilities

Utility Information
Utilities: FKAA, Cable Available, Buyer to Verify, Community Sewer Plant
Pre-Wired: Cable
Has Public Sewer Hook-up

Location

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

Location Information
Off Shore Island
Side: Ocean
Mile Marker: 53.50
Directions: Overseas Hwy Mile Marker 53.5 Turn at light onto Sadowski Causeway. Turn Right onto W. Ocean Dr. Turn right onto 12th St. #450 is on your right.

Neighborhood Features
Tennis Courts, Bike Paths, Beach, Fire Hydrant

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Monroe County
APN: 00077540-000000

Home facts updated by county records on Aug 19, 2021

Around this home

Schools

K - 12
Preschool & daycare

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 4.4mi

4/10

Marathon School

Public 6-12 • Assigned • 3.5mi

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, 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

$1.20M – $1.45M

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

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New listings for sale in 33051

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Home values near 450 12th St

Data from public records.

Address	Redfin Estimate
501 12th Street, Key Colony Beach, FL 4 Beds \| 3 Baths \| 4218 Sq. Ft.	$2,422,260
411 12th Street, Key Colony Beach, FL 4 Beds \| 3 Baths \| 3433 Sq. Ft.	$2,256,246
451 12th Street, Key Colony Beach, FL 2 Beds \| 3 Baths \| 1912 Sq. Ft.	$1,896,858
360 12th Street, Key Colony Beach, FL 4 Beds \| 3 Baths \| 3578 Sq. Ft.	$3,493,002
500 12th Street, Key Colony Beach, FL 5 Beds \| 5 Baths \| 3350 Sq. Ft.	$3,738,176
420 12th Street, Key Colony Beach, FL 3 Beds \| 4 Baths \| 2348 Sq. Ft.	$2,767,072
360 12Th Street, Key Colony, FL 5 Beds \| 5.5 Baths \| 3578 Sq. Ft.	$4,196,081

Address	Redfin Estimate
391 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1826 Sq. Ft.	$1,870,410
431 12th Street, Key Colony Beach, FL 4 Beds \| 4 Baths \| 4369 Sq. Ft.	$3,382,425
521 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1470 Sq. Ft.	$1,654,398
520 12th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1584 Sq. Ft.	$2,218,652
420 12th Street, Key Colony Beach, FL 3 Beds \| 4 Baths \| 2348 Sq. Ft.	$2,550,317
501 12th Street, Key Colony, FL 4 Beds \| 3 Baths \| 4218 Sq. Ft.	$2,840,026
481 11th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1736 Sq. Ft.	$1,739,673

Address	Redfin Estimate
371 12th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1770 Sq. Ft.	$2,234,357
471 12th Street, Key Colony Beach, FL 2 Beds \| 2.5 Baths \| 2256 Sq. Ft.	$1,740,000
450 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1578 Sq. Ft.	$1,262,716
510 12th Street, Key Colony Beach, FL 3 Beds \| 2.5 Baths \| 2077 Sq. Ft.	$2,677,932
460 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1208 Sq. Ft.	$1,485,194
391 12th Street, Key Colony, FL 3 Beds \| 2.5 Baths \| 2320 Sq. Ft.	$1,427,001
421 11th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1290 Sq. Ft.	$1,777,166

Property information provided by FLKMLS when last listed in 2018. This data may not match . Learn more.

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