OFF MARKET

Off market jan 2024 for $1.3M

$1,363,377

•

1,636

sq ft

540 12th St, Key Colony, FL 33051

About this home

Charming single-family home on desirable 12th Street in Key Colony Beach offers the potential for your ideal coastal oasis. This home boasts water views from the living, dining, kitchen and family room, allowing you to watch boats go by in serene surroundings. With 2 spacious bedrooms, 2 baths and a prime location, it's ready for your personal touch. The 75 feet of dockage with quick accessibility to Vaca Cut ensures that boaters and anglers can easily traverse the Atlantic and Gulf, making it a haven for water sports and fishing. The Key Colony Beach community is known for its serene atmosphere, friendly residents and proximity to local amenities. You can easily walk or bike to restuarants, parks, pickle ball matches, shopping, post office or marina. Whether you're considering this property as a full-time residence, vacation home or investment property, you'll find yourself surounded by multi-million dollar homes. Seize this opportunity to make this property your own and embrace the Florida Keys lifestyle. This home presents an outstanding opportunity at an exceptional price. Your dream home in paradise awaits.

Single-familyProperty Type

1971Year Built

8,250 sq ftLot Size

$833Est. Price/Sq.Ft.

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

Listed by Tracy Chacksfield • Berkshire Hathaway HomeServices Keys Real Estate

Bought with Karen Raspe, PA • Berkshire Hathaway HomeServices Keys Real Estate

Redfin checked: a minute ago

•Source:FLKMLS #607364

Redfin Estimate

$1,363,377

$38K since sold in January 2024$17K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.6% lower than the average sale price ($1.51M) 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
$1,330,000
B
2 beds2 baths1,646 sq ft
351 5th St, Key Colony, FL 33051
SOLD SEP 25, 2026
$995,000
C
2 beds2 baths1,288 sq ft
350 11th St, Key Colony Beach, 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 1, 2026
$1,790,000
F
4 beds3 baths1,860 sq ft
600 12Th St, Key Colony, FL 33051

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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 540 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

00077490-000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jan 29, 2025.

Property details

Parking

Parking / Garage Information
Vehicle Storage: Carport, Trailer Storage, RV Parking Open, Off Street Parking

Interior

Interior Features
Interior Features: Drapes/Blinds Incl, Pantry
Flooring: Tile Floor, Carpet
Windows/Doors: Single Hung Windows, Sliding Glass Doors
Cooling/Heating: Central A/C, Ceiling Fans
Appliances: Washer, Range, Refrigerator, Dishwasher, Dryer
Furnished: Furnished

Bathroom Information
# of Full Baths: 2

Specialty Room Information
Specialty Rooms: Laundry Room, Utility Room

Exterior

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

Exterior Features
Exterior Features: Fencing
Porch/Balcony: Patio, Screened Patio
Shutters: Bahama

Security
Patrolled Area

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

Property Information
Deed Restrictions: Unknown
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: 1,971
Sq. Ft. Source: Property Data Card
Building Style: Ground Level
Building Style: Above Flood: Yes
Construction: CBS
Roof: Metal 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: $4,879.44
Tax Year: 2,023
Tax Exemptions: Homestead

Financial Information
Terms: No Seller Finance, Cash, Conventional

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
Association Info: Association Fee $: 0.00
Fee Includes: None

Location Information
Side: Ocean
Mile Marker: 53.50
Directions: From Overseas Hwy/MM 53.5, turn at light onto Sadowski/KCB Cswy, Right onto W. Ocean Dr. to end and then veer right onto 12th St at Sunset Park to 540. Home will be on right side.

Neighborhood Features
Beach, Airstrip, Bike Paths

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Monroe County
APN: 00077490-000000

Home facts updated by county records on Jan 29, 2025

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

$1.30M – $1.57M

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

$764,000

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Spacious backyard • Patio • Storage

$764,000

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Home values near 540 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
561 12th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1716 Sq. Ft.	$1,928,152
540 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 1636 Sq. Ft.	$1,726,277
600 12th Street, Key Colony Beach, FL 4 Beds \| 3 Baths \| 1860 Sq. Ft.	$1,984,516
620 12th Street, Key Colony Beach, FL 2 Beds \| 2 Baths \| 2263 Sq. Ft.	$2,133,235
501 12th Street, Key Colony, FL 4 Beds \| 3 Baths \| 4218 Sq. Ft.	$2,840,026
541 11th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1500 Sq. Ft.	$1,942,704

Address	Redfin Estimate
541 12th Street, Key Colony Beach, FL 3 Beds \| 3 Baths \| 1600 Sq. Ft.	$2,563,771
581 12th Street, Key Colony Beach, FL 4 Beds \| 2 Baths \| 1800 Sq. Ft.	—
560 12th Street, Key Colony Beach, FL 2 Beds \| 2.5 Baths \| 3210 Sq. Ft.	$2,646,837
510 12th Street, Key Colony Beach, FL 3 Beds \| 2.5 Baths \| 2077 Sq. Ft.	$2,677,932
600 12Th Street, Key Colony, FL 4 Beds \| 3 Baths \| 1860 Sq. Ft.	$1,735,068
581 11th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1624 Sq. Ft.	$2,043,360
501 11th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1776 Sq. Ft.	$1,782,890

Address	Redfin Estimate
601 12th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 1680 Sq. Ft.	$1,693,418
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
500 12th Street, Key Colony Beach, FL 5 Beds \| 5 Baths \| 3350 Sq. Ft.	$3,738,176
620 12th Street, Key Colony, FL 3 Beds \| 2 Baths \| 1934 Sq. Ft.	$1,646,619
521 11th Street, Key Colony Beach, FL 2 Beds \| 3 Baths \| 1247 Sq. Ft.	$1,699,381
561 11th Street, Key Colony Beach, FL 3 Beds \| 2 Baths \| 2036 Sq. Ft.	$2,066,499

Property information provided by FLKMLS when last listed in 2023. This data may not match . Learn more.

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