OFF MARKET

Off market feb 2020 for $852K

$1,525,873

•

2,055

sq ft

340 12th St, Key Colony, FL 33051

About this home

If you have been waiting for an east facing, single family hm on 12th Street in Key Colony Beach, here it is! Very bright & roomy, open living room & kitchen flow into the BIG sun rm, overlooking 100 ft wide, deep, clear canal w/ 112 ft of canal front. 2 big Master Suites w/ lots of closets, plus garage. BIG Yard-plenty of room to add a HUGE Pool. Lovingly cared for & enjoyed for 15+ years by owners as their island getaway and vacation rental. Perfectly located for the boater, diver or fisherman, just 5 mins to open ocean & gulf. Dock needs some love. Walk/bike the entire city to Marina, Golf, Tennis, Pickle Ball, Restaurants, Post Office, City Hall, Horseshoes, Bocce Ball, Playgrounds & Sunset Park. Yes, you too can have it all in Paradise. Current Ins: Flood $4915 Wind $4171 HO $1432

Single-familyProperty Type

1965Year Built

0.28 acresLot Size

$743Est. Price/Sq.Ft.

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

Bought with Jeb Hale • Ocean Sotheby's International

Redfin checked: a few seconds ago

•Source:FLKMLS #587311

Redfin Estimate

$1,525,873

$674K since sold in February 2020$51K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.3% lower than the average sale price ($1.61M) of 5 comparable homes.

SOLD SEP 25, 2026
$1,330,000
A
2 beds2 baths1,646 sq ft
351 5th St, Key Colony, FL 33051
SOLD JUN 12, 2026
$1,900,000
B
2 beds2 baths1,705 sq ft
220 15Th Cir, Key Colony Beach, FL 33051
SOLD APR 20, 2026
$2,237,500
C
3 beds2 baths1,584 sq ft
520 12Th St, Key Colony Beach, FL 33051
SOLD JUL 20, 2026
$800,000
D
2 beds2 baths1,023 sq ft
741 9Th St, Key Colony Beach, FL 33051
SOLD SEP 1, 2026
$1,790,000
E
4 beds3 baths1,860 sq ft
600 12Th St, Key Colony, FL 33051

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Earn from this home

Rent

$2,260/mo

Redfin rental estimate

List your home for rent

Market trends in Key Colony Beach, FL

Last updated September 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

95.3%

+0.0% MoM

Median sale price

$1.8M

$214K MoM

Avg. days on market

204d

20 days MoM

Recently sold homes

3 MoM

Provided by Redfin

Sale history for 340 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

00077590-000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jan 29, 2025.

Property details

Parking

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

Interior

Interior Features
Interior Features: Drapes/Blinds Incl, Smoke Alarms, Storage, Split Bedroom
Flooring: Tile Floor
Windows/Doors: Aluminum Windows, Other Windows/Doors
Cooling/Heating: Central A/C, Ductless A/C, Ceiling Fans, Combination A/C
Appliances: Washer, Microwave, Range, Refrigerator, Dishwasher, Dryer
Furnished: Unfurnished

Bathroom Information
# of Full Baths: 2

Specialty Room Information
Specialty Rooms: Laundry Room

Exterior

Boat Slip/Dock Information
Dockage: Dock Length: 112
Dockage: Seawall: Concrete
Dockage: Dock: Concrete

Exterior Features
Exterior Features: Fencing
Porch/Balcony: Open Porch/Balcony, Windowed P/B
Shutters: Bahama, Clam Shell

Security
Patrolled Area

Property Features
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: 0.28
Zoning: R-1A - Key Colony Single Family
Land Size: 1/4 - 1/2 Acre
Control Depth: 4
Flood Zone: AE

Building Information
Year Built: 1,965
Sq. Ft. Source: Property Data Card
Building Style: Ground Level
Building Style: Above Flood: Yes
Construction: CBS
Roof: Tile Roof, Concrete Roof

Subdivision/Neighborhood
Subdivision: Key Colony Bch 2nd Addn (53.5)
Key West Neighborhood: Outside of Key West
Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)

Financial

Tax Information
Taxes: $7,298.42
Tax Year: 2,018
Tax Exemptions: None

Financial Information
Terms: No Seller Finance

Utilities

Utility Information
Utilities: FKAA, Cable Available, Buyer to Verify, Community Sewer Plant
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: Overseas Hwy mile marker 53.5 turn at light onto Sadowski / KCB Causeway. Turn right onto W. Ocean. Turn right onto 12th St and follow to 340 12th on the right

Neighborhood Features
Tennis Courts, Bike Paths, Beach

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Monroe County
APN: 00077590-000000

Home facts updated by county records on Jan 29, 2025

Around this home

Schools

Stanley Switlik Elementary School

Public PreK-5 • Assigned • 4.4mi

5/10

Marathon School

Public 6-12 • Assigned • 3.5mi

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, 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

$1.45M – $1.76M

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

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Home values near 340 12th St

Data from public records.

Address	Redfin Estimate
261 12th Street, Key Colony Beach, FL 4 Beds \| 4 Baths \| 3680 Sq. Ft.	$3,470,683
371 12th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1770 Sq. Ft.	$2,197,725

Address	Redfin Estimate
391 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1826 Sq. Ft.	$1,966,302
301 12th Street, Key Colony Beach, FL 4 Beds \| 4 Baths \| 2750 Sq. Ft.	$2,176,995

Address	Redfin Estimate
351 12th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1440 Sq. Ft.	$1,760,112
340 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 2847 Sq. Ft.	$1,695,629

Property information provided by FLKMLS when last listed in 2019. This data may not match . Learn more.

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