423 121st St, Marathon, FL 33050
OFF MARKET

423 121st St
Marathon, FL 33050

  • 4 Beds
  • 4 Baths
  • 1,979 sqft

$1,598,800

Trulia Estimate
as of Jun 17, 2026
Est. Refi. Payment $9,110/mo*
Refinance Your Home

$1,598,800

Trulia Estimate
as of Jun 17, 2026
Est. Refi. Payment $9,110/mo*
Refinance Your Home
4 Beds
4 Baths
1,979 sqft

Local Information

Map showing home location
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-- mins to
Commute Destination

Description

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!
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
No Info
Outdoor
Deck, Pool
View
No Info
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago

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 History for 423 121st St

DatePriceEventSource
03/26/2021$975,000Sold
FLKMLS #594741
05/30/2019$895,000ListingRemovedAgent Provided
11/13/2017$895,000Listed For SaleAgent Provided
09/01/2017$895,000ListingRemovedAgent Provided
01/19/2017$895,000PriceChange
Agent Provided
09/07/2016$975,000PriceChange
Agent Provided
03/03/2016$995,000Listed For SaleAgent Provided
03/31/2014$925,000ListingRemovedAgent Provided
12/15/2013$925,000PriceChange
Agent Provided
07/27/2012$945,000Listed For SaleAgent Provided
05/31/2012$995,000ListingRemovedN/A
04/01/2012$995,000Listed For SaleN/A
08/08/2008$1,099,000ListingRemovedAgent Provided
02/19/2008$1,099,000Listed For SaleAgent Provided
09/16/2005$1,075,000Sold
N/A
02/03/2005$845,000Sold
N/A

Market trends in Marathon

Last updated May 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$742K
$31.67KMoM
Sale-to-List Price
—
Price per sq ft
$610
$33MoM
Available listings
268
6MoM
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Property Tax and Assessment

Year2025
Tax$12,162
Assessment$1,431,199
Home facts updated by county records

Homeowner tools

Estimated monthly rent$5,302/mo
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Homes for rent near 423 121st St

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Comparable Sales for 423 121st St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
435 121st St, Marathon, FL
0.07
Single-Family Home
$1,300,000
11/14/25
3
3
1,731
7 125th St, Marathon, FL
0.14
Single-Family Home
$829,000
06/20/25
4
3
1,782
12555 Overseas Hwy #E, Marathon, FL
0.24
Single-Family Home
$950,000
07/18/25
4
3
1,740
11890 1st Ave #7, Marathon, FL
0.12
Single-Family Home
$2,525,000
07/17/25
4
3
2,607
412 122nd St, Marathon, FL
0.04
Single-Family Home
$2,595,000
08/13/25
3
2.5
2,391
11890 1st Ave #2, Marathon, FL
0.14
Single-Family Home
$2,525,000
07/15/25
5
4
2,607
11280 1st Ave, Marathon, FL
0.51
Single-Family Home
$982,000
12/04/25
3
2.5
1,842
11257 5th Ave, Marathon, FL
0.55
Single-Family Home
$1,450,000
06/30/25
4
3.5
2,565
11335 6th Ave, Marathon, FL
0.53
Single-Family Home
$1,900,000
05/04/26
4
3.5
2,323
570 9th St, Key Colony Beach, FL
0.60
Single-Family Home
$1,400,000
04/10/26
4
4
2,293

Nearby homes

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Assigned Schools

These are the assigned schools for 423 121st St.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

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

  • 48 % Say kids play outside

  • 44 % 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

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Homes for sale near 423 121st St

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Off Market Homes Near 423 121st St

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423 121st St, Marathon, FL 33050 is a 4 bedroom, 4 bathroom, 1,979 sqft single-family home built in 1961. This property is not currently available for sale. 423 121st St was last sold on Mar 26, 2021 for $975,000. The current Trulia Estimate for 423 121st St is $1,598,800.