450 12th St, Marathon, FL 33051
Property image
Property image
OFF MARKET

$1,436,200

Trulia Estimate
  • 2 Beds
  • 2 Baths
  • 1,578 sqft

450 12th St, Marathon, FL 33051

Est. Refi. Payment $8,348/mo*
Refinance Your Home
Currently Off Market - Sold Nov 21, 2018 for $670,000

Home Value

Trulia Estimate
$1.44M
Since last month
Increased$13K (+0.9%)
Since last year
Increased$223K (+18.4%)
Since last sale
Increased$766K (+114.4%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +108% in the last 10 years
MonthEstimated value
2026
August 2026$1.44M
July 2026$1.42M
June 2026$1.41M
May 2026$1.34M
April 2026$1.34M
March 2026$1.33M
February 2026$1.3M
January 2026$1.25M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
501 11th St, Key Colony Beach, FL
0.06
Single-Family Home
$1,600,000
02/03/26
3
2
1,776
520 12th St, Key Colony Beach, FL
0.06
Single-Family Home
$2,237,500
04/20/26
3
2
1,584
421 10th St, Key Colony Beach, FL
0.11
Single-Family Home
$625,000
11/14/25
2
2
885
220 15th St, KEY COLONY BEACH, FL
0.20
Single-Family Home
$1,900,000
06/12/26
2
2
1,705
511 9th St, Key Colony Beach, FL
0.20
Single-Family Home
$950,000
09/15/25
2
2
1,260
4 7th St, Key Colony Beach, FL
0.40
Single-Family Home
$729,000
10/28/25
2
2
870
471 9th St, Key Colony Beach, FL
0.19
Single-Family Home
$700,000
02/24/26
2
2
854
340 10th St, Key Colony Beach, FL
0.15
Single-Family Home
$855,000
01/23/26
2
2
900
661 12th St, Key Colony Beach, FL
0.16
Single-Family Home
$1,875,000
12/08/25
2
3
1,480
590 9th St, Key Colony Beach, FL
0.25
Single-Family Home
$1,025,000
03/31/26
2
2
1,269

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
240-250 11th St, Key Colony Beach, FL 33051
0.06
$1,741,900
4
4
2,151
Off Market
200-210 11th St, Key Colony Beach, FL 33051
0.06
$1,533,400
3
3
1,534
Off Market
501 11th St, Key Colony Beach, FL 33051
0.06
$1,600,000
3
2
1,776
Recently Sold
460 11th St, Key Colony Beach, FL 33051
0.07
$848,300
2
2
1,080
Off Market
440 11th St, Key Colony Beach, FL 33051
0.07
$989,000
2
2
1,062
For Sale
470 11th St, Key Colony Beach, FL 33051
0.07
$821,500
2
2
1,080
Off Market
510 12th St, Marathon, FL 33051
0.04
$2,580,600
3
2.5
2,077
Off Market
521 11th St, Key Colony Beach, FL 33051
0.07
$1,706,500
2
3
1,247
Off Market
431 12th St, Key Colony Beach, FL 33051
0.03
$3,700,000
4
4
4,369
For Sale
520 12th St, Key Colony Beach, FL 33051
0.06
$2,237,500
3
2
1,584
Recently Sold
360 12th St, Marathon, FL 33051
0.06
$3,840,000
5
5.5
3,578
Recently Sold
360 12th St, Marathon, FL 33050
0.06
$3,864,800
3
3
3,200
Off Market

Local Information

  • Map ViewExplore the area around 450 12th St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1974
Living Area
1,578 sqft
Price/Sqft
$910
Parking
Garage

About this House

This single-family home is located at 450 12th St, Marathon, FL. 450 12th St is in Marathon, FL and in ZIP code 33051. This property has 2 bedrooms, 2 bathrooms and approximately 1,578 sqft of floor space. This property has a lot size of 8276 sqft and was built in 1974.
450 12th St, Marathon, FL 33051 is a 2 bedroom, 2 bathroom, 1,578 sqft single-family home built in 1974. It last sold for $670,000 on Nov 21, 2018. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,436,200, with a rent estimate of $5,208/month.

Home Details for 450 12th St

Interior Features

Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1Floors: Concrete

Exterior Features

Exterior Home Features
Roof: AsphaltDeckExterior: StuccoFoundation Type: ConcreteGardenLawnPatioSprinkler System
Parking & Garage
GarageParking: Garage

Property Information

Year Built
Year Built: 1974Year Updated: 1994
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 8250 sqft

Price and Tax history

DateEventPrice
Nov 21, 2018
Source: FLKMLS #579167
Sold
$670,000
Oct 15, 2010
Source: N/A
Sold
$156,000

Market trends in Key Colony Beach

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
60
1MoM

Around this home

What Locals Say about Key Colony Beach

At least 4 Trulia users voted on each feature.

  • 100 % Say it's quiet

  • 100 % Say it's walkable to restaurants

  • 91 % Say yards are well-kept

  • 90 % Say parking is easy

  • 86 % Say car is needed

  • 80 % Say it's dog friendly

  • 80 % Say people would walk alone at night

  • 78 % Say streets are well-lit

  • 57 % Say they plan to stay for at least 5 years

  • 50 % Say there's holiday spirit

  • 50 % Say there are sidewalks

  • 50 % Say there are community events

  • 50 % Say there's wildlife

  • 38 % Say kids play outside

  • 33 % Say neighbors are friendly

  • 33 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • David Sloan
    "Lived here for over a month, almost everyone is friendly as well as mostly pet friendly. I own a pitbull that is my service dog, majority comes up to love him him, few assume he isn’t friendly."
    0
    Flag
  • L. F.
    "Not many children live here. Lots of vacation and rental homes. They have occupants changing all the time or they stand empty for months on end. "
    0
    Flag
  • LWF
    "Sunday afternoon live concerts in the park in winter. Craft fairs. The Christmas boat parade. The fishing club puts on an annual spring clambake."
    1
    Flag
  • Dm2953
    "Key Colony Beach is a community minded incorporated small city with parks, its own sewer system, police, and safety."
    7
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 450 12th St

  • What is 450 12th St estimated to be worth?
    Trulia's estimated value for 450 12th St in Marathon, FL is $1,436,200.
  • What is the price history for 450 12th St?
    450 12th St in Marathon, FL last sold for $670,000 in November 2018.
  • Is Marathon a buyer's or seller's market?
    Marathon is currently a buyer's market, based on recent for-sale activity.
  • What are the closest schools to 450 12th St?
    The closest schools to 450 12th St in Marathon, FL are Marathon School (Middle/High, rated 5/10), Stanley Switlik Elementary School (Pre-K, rated 5/10).
  • How big is the lot at 450 12th St?
    The lot at 450 12th St in Marathon, FL is about 0.19 acres (8,276 sq ft).
  • Does 450 12th St have a garage?
    Yes, 450 12th St in Marathon, FL has a garage.

Explore by feature - Pet Friendly

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Explore by feature - Garage

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Explore by feature - Air Conditioning

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Explore by feature - Pool

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Explore by feature - Washer/dryer

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Apartments for Rent

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Off Market Homes Near 450 12th St

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