308 12th St, Marathon, FL 33050
Property image
Property image
OFF MARKET

$1,234,500

Trulia Estimate
  • 4 Beds
  • 2.5 Baths
  • 1,312 sqft

308 12th St, Marathon, FL 33050

Est. Refi. Payment $7,623/mo*
Refinance Your Home
Currently Off Market - Sold Oct 5, 2020 for $450,000

Home Value

Trulia Estimate
$1.24M
Since last month
Decreased$59K (-4.6%)
Since last year
Increased$128K (+11.6%)
Since last sale
Increased$785K (+174.3%)
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 +214% in the last 10 years
MonthEstimated value
2026
September 2026$1.23M
August 2026$1.29M
July 2026$1.26M
June 2026$1.26M
May 2026$1.15M
April 2026$1.13M
March 2026$1.1M
February 2026$1.08M
January 2026$1.05M
2025
2024
2023
2022
2021
2020
2019
2018

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
740 90th St, Marathon, FL
1.60
Mobile / Manufactured
$2,000,000
09/02/26
4
2
1,560
338 82nd St, Marathon, FL
1.91
Mobile / Manufactured
$360,000
04/02/26
3
1.5
1,056
768 82nd St, Marathon, FL
1.90
Mobile / Manufactured
$514,000
08/26/26
3
2
1,881
234 84th St, Marathon, FL
1.82
Mobile / Manufactured
$262,500
02/23/26
-
264
6099 Overseas Hwy #12W, Marathon, FL
2.84
Mobile / Manufactured
$275,000
07/30/26
1
1
736
6099 Overseas Hwy #13E, Marathon, FL
2.84
Mobile / Manufactured
$295,000
01/08/26
1
1
650
6099 Overseas Hwy #31W, Marathon, FL
2.88
Mobile / Manufactured
$289,000
11/17/25
1
2
548
399 50th St, Marathon, FL
3.49
Mobile / Manufactured
$250,000
11/03/25
2
1.5
700
9 47th Street Gulf, Marathon, FL
3.60
Mobile / Manufactured
$400,000
05/29/26
2
2
720
6099 Overseas Hwy #31E, Marathon, FL
2.88
Mobile / Manufactured
$160,000
01/20/26
2
1
422

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
241 12th St, Key Colony Beach, FL 33051
0.04
$3,700,000
5
4
4,188
Recently Sold
261 12th St, Key Colony Beach, FL 33051
0.03
$3,430,000
4
4
3,680
Recently Sold
201 12th St, Key Colony Beach, FL 33051
0.08
$1,953,100
3
2
2,088
Off Market
180 12th St, Key Colony Beach, FL 33051
0.09
-
-
-
-
Off Market
13th St, Key Colony Beach, FL 33051
0.07
$3,499,999
-
-
-
For Sale
360 12th St, Marathon, FL 33051
0.05
$3,840,000
5
5.5
3,578
Recently Sold
360 12th St, Marathon, FL 33050
0.05
$3,912,900
3
3
3,200
Off Market
1240 Coury Dr, Key Colony Beach, FL 33051
0.08
$3,200,000
4
4
2,649
Recently Sold
161 11th St, Key Colony Beach, FL 33051
0.11
$2,164,800
4
3
1,650
Off Market
150 12th St, Key Colony Beach, FL 33051
0.11
$3,718,300
5
4
5,567
Off Market
350 11th St, Key Colony Beach, FL 33051
0.09
$999,000
2
2
1,288
For Sale
150 13th St, Key Colony Beach, FL 33051
0.08
$2,130,400
3
2.5
2,440
Off Market

Local Information

  • Map ViewExplore the area around 308 12th St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Mobile/Manufactured
Built in 1968
1,312 sqft
$941/sqft

About this House

Great investment property located on the Gulf with direct, Eastern facing, waterfront views. Quick/ easy boating access to the Gulf or Ocean within minutes. There's 50ft of concrete seawall plus a cut in boat slip. The property currently has 2 mobile homes on it. The oceanfront mobile home has 1 main bedroom and one bathroom. They enclosed the porch to make 2 more bedrooms and a half bath. There is also a large concrete storage room and tiki bar. Furniture/appliances are not included with the oceanfront mobile home. The front, street side mobile home is a one bedroom, one bath with a small addition, comes with stackable washer/dryer and an outside Rubbermaid storage. Furniture is not included with the sale. This lot comes with 2 building rights. 2 water, 2 electric & 2 sewer connections,
308 12th St, Marathon, FL 33050 is a 4 bedroom, 3 bathroom, 1,312 sqft mobile/manufactured built in 1968. It last sold for $450,000 on Oct 5, 2020. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,234,500.

Home Details for 308 12th St

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: WallHeating Fuel: Forced Air
Appliances & Utilities
Cable ReadyDryerRefrigeratorWasher
Levels, Entrance, & Accessibility
Floors: Laminate, Linoleum Vinyl

Exterior Features

Exterior Home Features
Roof: MetalExterior: MetalFoundation Type: Concrete BlockPorch

Property Information

Year Built
Year Built: 1968
Property Type / Style
Property Type: Mobile Manufactured

Community

Units in Building: 2

Lot Information

Lot Area: 7291 sqft

Mobile R/V

RV Parking
Rv Parking

Building

Fitness & Sports
Tennis Court

Price and Tax history

DateEventPrice
Oct 5, 2020
Source: FLKMLS #591680
Sold
$450,000
Jul 15, 2020
Source: Agent Provided
Listed For Sale
$470,000
Apr 10, 2015
Source: FLKMLS #562101
Sold
$341,000
Jul 1, 2002
Source: N/A
Sold
$235,000

Market trends in Key Colony Beach

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
58
2MoM

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 308 12th St

  • What is 308 12th St estimated to be worth?
    Trulia's estimated value for 308 12th St in Marathon, FL is $1,234,500.
  • What is the price history for 308 12th St?
    308 12th St in Marathon, FL last sold for $450,000 in October 2020.
  • 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 308 12th St?
    The closest schools to 308 12th St in Marathon, FL are Marathon School (Middle/High, rated 5/10), Stanley Switlik Elementary School (Pre-K, rated 5/10).
  • Does 308 12th St have air conditioning?
    Yes, 308 12th St in Marathon, FL has air conditioning.
  • Does 308 12th St have laundry facilities?
    Yes, 308 12th St in Marathon, FL has in-unit laundry.

Explore by feature - Pet Friendly

13 pet-friendly rentals in Marathon, FL

Explore by feature - Garage

7 rentals with a garage in Marathon, FL

Explore by feature - Air Conditioning

22 rentals with air conditioning in Marathon, FL

Explore by feature - Pool

21 rentals with a pool in Marathon, FL

Explore by feature - Washer/dryer

31 rentals with a washer/dryer in Marathon, FL

Apartments for Rent

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Off Market Homes Near 308 12th St

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