423 121st St, Marathon, FL 33050
Property image
Property image
OFF MARKET

$1,637,200

Trulia Estimate
  • 4 Beds
  • 4 Baths
  • 1,979 sqft

423 121st St, Marathon, FL 33050

Est. Refi. Payment $9,576/mo*
Refinance Your Home
Currently Off Market - Sold Mar 26, 2021 for $975,000

Home Value

Trulia Estimate
$1.64M
Since last month
Decreased$13K (-0.8%)
Since last year
Increased$175K (+11.9%)
Since last sale
Increased$666K (+68.3%)
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 +76% in the last 10 years
MonthEstimated value
2026
August 2026$1.64M
August 2026$1.64M
July 2026$1.65M
June 2026$1.66M
May 2026$1.59M
April 2026$1.57M
March 2026$1.55M
February 2026$1.53M
January 2026$1.48M
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
435 121st St, Marathon, FL
0.02
Single-Family Home
$1,300,000
11/14/25
3
3
1,731
11890 1st Ave #3, Marathon, FL
0.12
Single-Family Home
$2,500,000
07/30/26
5
4
2,607
11280 1st Ave, Marathon, FL
0.51
Single-Family Home
$982,000
12/04/25
3
2.5
1,842
11295 3rd Ave, Marathon, FL
0.50
Single-Family Home
$1,450,000
08/31/26
4
3
1,926
11335 6th Ave, Marathon, FL
0.53
Single-Family Home
$1,900,000
05/04/26
4
3.5
2,323
11250 3rd Ave, Marathon, FL
0.55
Single-Family Home
$1,400,000
07/31/26
4
3
1,740
570 9th St, Key Colony Beach, FL
0.60
Single-Family Home
$1,400,000
04/10/26
4
4
2,293
640 9th St, Key Colony Beach, FL
0.55
Single-Family Home
$1,310,000
03/04/26
3
4
1,596
650 11th St, Key Colony Beach, FL
0.57
Single-Family Home
$1,075,000
03/10/26
3
3
1,770
541 8th St, Key Colony Beach, FL
0.62
Single-Family Home
$1,335,000
01/30/26
3
3.5
1,830

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
435 121st St, Marathon, FL 33050
0.02
$1,300,000
3
3
1,731
Recently Sold
412 122nd St, Marathon, FL 33050
0.04
$2,878,500
3
2.5
2,391
Off Market
211 120th St #A, Marathon, FL 33050
0.08
$425,300
2
1
728
Off Market
211 120th Gulf #A, Marathon, FL 33050
0.08
$373,400
2
1
728
Off Market
211 120th St, Marathon, FL 33050
0.08
$440,000
2
1
728
Recently Sold
10703-05 2nd Ave, Marathon, FL 33050
0.08
$500,900
2
2
916
Off Market
11890 1st Ave #2, Marathon, FL 33050
0.12
$2,495,000
5
4
2,607
For Sale
11890 1st Ave #3, Marathon, FL 33050
0.12
$2,500,000
5
4
2,607
Recently Sold
12400 Overseas Hwy 9, Marathon, FL 33050
0.10
-
3
3
1,640
Off Market
12400 Overseas Hwy, Marathon, FL 33050
0.10
$1,175,000
3
3
1,493
For Sale
12400 Overseas Hwy #3, Marathon, FL 33050
0.10
$670,000
3
3
1,493
Recently Sold
14 125th Street Gulf #GULF, Marathon, FL 33050
0.12
$3,549,000
10
9
6,128
For Sale

Local Information

  • Map ViewExplore the area around 423 121st 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
1961
Living Area
1,979 sqft
Price/Sqft
$827

About this House

Professional pictures coming soon! Your own private white sand and palm trees getaway! Enjoy stunning water views while relaxing in your pool at this 4 bedroom 4 bath tropical home. Almost 1800 square feet of single level flowing space allow you and your guests to enjoy the sun, sand and water right out your back door with no stairs to climb. This home is a proven winner in the vacation rental market, with future bookings already in place! The long dock make docking all your boats and water toys a breeze. With access to the Atlantic or Gulf literally right off the dock! Plenty of room for parking for multiple vehicles make this a great choice for larger families. Owner is installing a brand new roof and other cosmetic updates that will make this one perfect!
423 121st St, Marathon, FL 33050 is a 4 bedroom, 4 bathroom, 1,979 sqft single-family home built in 1961. It last sold for $975,000 on Mar 26, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,637,200, with a rent estimate of $5,645/month.

Home Details for 423 121st St

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Appliances & Utilities
Cable ReadyDishwasherDryerMicrowaveRefrigeratorWasher
Levels, Entrance, & Accessibility
Floors: Tile

Exterior Features

Exterior Home Features
Roof: OtherDeckExterior: StuccoFoundation Type: Slab
Pool
Pool
Parking & Garage
Parking: Off Street

Property Information

Year Built
Year Built: 1961Year Updated: 1996
Property Type / Style
Property Type: Single Family HomeArchitecture: Other

Rental Terms, Policies & Fees

Furnished

Community

Units in Building: 4

Lot Information

Lot Area: 6298 sqft

Additional Information

On Site Laundry Available

Price and Tax history

DateEventPrice
Mar 26, 2021
Source: FLKMLS #594741
Sold
$975,000
May 30, 2019
Source: Agent Provided
ListingRemoved
$895,000
Nov 13, 2017
Source: Agent Provided
Listed For Sale
$895,000
Sep 1, 2017
Source: Agent Provided
ListingRemoved
$895,000
Jan 19, 2017
Source: Agent Provided
PriceChange
$895,000
Price decreased by 8%

Market trends in Marathon

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$774K
$51.67KMoM
Sale-to-List Price
—
Price per sq ft
$630
$2MoM
Available listings
260
8MoM

Around this home

What Locals Say about Marathon

At least 61 Trulia users voted on each feature.

  • 83 % Say car is needed

  • 79 % Say people would walk alone at night

  • 76 % Say parking is easy

  • 72 % Say it's quiet

  • 70 % Say it's dog friendly

  • 70 % Say yards are well-kept

  • 68 % Say there's holiday spirit

  • 61 % Say it's walkable to restaurants

  • 53 % Say there's wildlife

  • 53 % Say they plan to stay for at least 5 years

  • 51 % Say there are community events

  • 49 % Say kids play outside

  • 45 % Say neighbors are friendly

  • 37 % Say it's walkable to grocery stores

  • 36 % Say there are sidewalks

  • 29 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • 4yrv5tc4qr
    "Seafood festival, theater, music festival, turtle releases, homecoming parade, 4th of July fireworks on the beach"
    1
    Flag
  • Ingridfox
    "people love walking dogs on the beach and dog dog park at Sombrero Beach. A lot of restaurants are dog friendly. This is a great place for dog owners. "
    1
    Flag
  • C E.
    "There is no place for kids to hang out really except for the skate park. There are no malls, no skating rinks, no places for kids to meet safely. "
    1
    Flag
  • Jan M.
    "We have basic public transportation. I’d take a taxi anywhere in town. .............................,,"
    0
    Flag
  • Erin F.
    "There’s plenty of grass, sidewalks and quiet roads to walk along.. plus the public beach is always a dogs favorite adventure.. just pick up after your dog!"
    2
    Flag
  • Thurmankolb
    "Yes! Dog park just down the street. Lots of neighbors know each other by our dogs. Great vets n Marathon and good groomer."
    6
    Flag
  • Thurmankolb
    "Lots of community events and activities. Fishing tournaments, seafood festival, school carnivals, etc... "
    2
    Flag
  • Jamie B.
    "Everyone gets together for the kids at Halloween. We have a community park with special events planned for the kids and the beach is the sight for a special 4th of July. "
    0
    Flag
  • Abiezer31
    "Of course ,the neighbors the owner and dog are very nice I’m very proud living in my house.and this neighborhood "
    3
    Flag
  • Darren S.
    "I live off the beaten path across the street from a golf course. It's very quiet and tranquil. throb marinas surrounding the property and can walk to All shops and stores."
    0
    Flag
  • Cyndiepalmer
    "We are a friendly neighborhood. You walk your street and say Hi anytime. It is a safe street to live "
    0
    Flag
  • Ksperkinson
    "Safe clean near ocean good police pet friendly hospital is coming along in the construction have contract here at hospital looking forward to finding a good place for 3 months"
    0
    Flag
  • Stephanie M.
    "A lot of kids and cars. A fire station that is noisey but nice. Lizards everywhere. There is one hotel on this small island. There are A lot of Vacation homes here and crab catchers. When it rains you can't see the road."
    0
    Flag
  • Lb2071
    "water front community , is a small island called Flamingo Island. We have a 9 hole golf course and just 5 minutes from Publix and Kmart. Sombrero beach is right at the outset of the canals on the Atlantic ocean and the people are very loving and friendly."
    0
    Flag
  • Gonzalez8834
    "Marathon is a great place to life and have a family, very safe, quiet and full of great people. ......"
    0
    Flag
  • Tom A. C. M.
    "I live here (14 years) and love the area. Close accessibility to shopping, schools, churches, golf, beach, walking, biking. "
    0
    Flag
  • Anne K.
    "Lived here for many years and is one of the best places to live in Marathon. Conveniently located near schools, parks, shopping and beach just minutes away."
    0
    Flag
  • Debra G.
    "Only 8 miles from Marathon. Away from the winter traffic, airport noise. Crystal clean, flow through canals. Great place to vacation and a great place to live. "
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 423 121st St

  • What is 423 121st St estimated to be worth?
    Trulia's estimated value for 423 121st St in Marathon, FL is $1,637,200.
  • What is the price history for 423 121st St?
    423 121st St in Marathon, FL last sold for $975,000 in March 2021.
  • Is Marathon a buyer's or seller's market?
    Marathon is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Marathon?
    The median sale price in Marathon is $774K. That is up $51.67K from the prior month.
  • Does 423 121st St have air conditioning?
    Yes, 423 121st St in Marathon, FL has air conditioning.
  • Does 423 121st St have a pool?
    Yes, 423 121st St in Marathon, FL has a pool.

Explore by feature - Pet Friendly

15 pet-friendly rentals in Marathon, FL

Explore by feature - Garage

7 rentals with a garage in Marathon, FL

Explore by feature - Air Conditioning

24 rentals with air conditioning in Marathon, FL

Explore by feature - Pool

19 rentals with a pool in Marathon, FL

Explore by feature - Washer/dryer

29 rentals with a washer/dryer in Marathon, FL

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