435 121st St, Marathon, FL 33050
Property image
Property image
SOLD
NOV 14, 2025

435 121st St
Marathon, FL 33050

  • 3 Beds
  • 3 Baths
  • 1,731 sqft

$1,300,000

Last Sold: Nov 14, 2025
$751/sqft
Est. Refi. Payment $7,626/mo*
Refinance Your Home

$1,300,000

Last Sold: Nov 14, 2025
$751/sqft
Est. Refi. Payment $7,626/mo*
Refinance Your Home
3 Beds
3 Baths
1,731 sqft

Local Information

  • Map ViewExplore the area around 435 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
1981
Living Area
1,731 sqft
Price/Sqft
$751/sqft
Parking
Open Parking
HOA
None

About this House

Endless Views, Endless Possibilities - Your Waterfront Dream Home Awaits!
This unique waterfront property, designed in the shape of a riverboat, offers an exceptional opportunity to create your ideal coastal retreat. Nestled on a prime 6,500 sq ft lot, the home boasts spectacular, unobstructed views of the Gulf of Mexico from nearly every room, with a living area lined with windows that frame the breathtaking scenery.
Still owned by the family who originally built it, this fixer-upper is a rare canvas for those with vision and a passion for customization. Whether you choose to renovate and transform the current structure or demolish and build your dream home from the ground up, the possibilities are truly endless. With plenty of space for a pool, tiki bar, or outdoor entertainment area, this property provides the perfect backdrop for luxurious waterfront living.
Located on sought-after Vaca Cut, you'll have quick access to both the Ocean and the Gulf, offering unparalleled convenience for boating and water enthusiasts.
The sellers are highly motivated, so don't miss your chance to secure this one-of-a-kind property and create your very own piece of paradise!
435 121st St, Marathon, FL 33050 is a 3 bedroom, 3 bathroom, 1,731 sqft single-family home built in 1981. It last sold for the $1,300,000 asking price on Nov 14, 2025. It is currently off market. The Trulia Estimate is $1,307,600, with a rent estimate of $4,064/month.

Home Details for 435 121st St

Interior Features

Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 3Number of Bathrooms (full): 3
Dimensions and Layout
Living Area: 1731 Square Feet
Appliances & Utilities
Utilities: Water Separate Meter, Elect Separate MeterAppliances: Refrigerator, Range, Oven, MicrowaveMicrowaveRefrigerator
Heating & Cooling
Has CoolingAir Conditioning: Central Air,Ceiling Fans(s)
Windows, Doors, Floors & Walls
Flooring: Tile, Other
Levels, Entrance, & Accessibility
ElevatorFloors: Tile, Other
View
No View
Security
Security: Security Guard

Exterior Features

Exterior Home Features
Patio / Porch: Open Porch/BalconyExterior: StorageNo Private Pool
Parking & Garage
No Attached GarageHas Open ParkingParking: Open
Frontage
WaterfrontOn Waterfront

Property Information

Year Built
Year Built: 1981
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Construction Materials: CBSNot a New Construction
Property Information
Condition: FixerParcel Number: 00357540000000

Price & Status

Price
List Price: $1,300,000Price Per Sqft: $751/sqft

Active Status

MLS Status: Closed

Location

Direction & Address
City: MarathonCommunity: Hawaiian Village (53.5)

Building

Building Area
Building Area: 1731 Square Feet

Community

Community Features: Bike Paths

HOA

HOA Fee Includes: NoneNo HOA

Lot Information

Lot Area: 6534 sqft

Offer

Listing Terms: No Seller Finance, Cash, Conventional

Miscellaneous

Mls Number: 612989

Additional Information

Bike Paths
Last check for updates: about 3 hours ago
Listed by Jessica Ann Boyanton P.A., (305) 304-9414
LPT Realty, LLC
Bought with: Caitlin McKinney, (305) 304-7397, Coldwell Banker Schmitt Real Estate Co.
Source: FLKMLS, MLS#612989

Price History for 435 121st St

DatePriceEventSource
11/14/2025$1,300,000Sold
FLKMLS #612989
10/20/2025$1,300,000PendingFLKMLS #612989
09/16/2025$1,300,000ContingentFLKMLS #612989
09/09/2025$1,300,000PriceChange
FLKMLS #612989
01/06/2025$1,600,000Listed For SaleMLKAR #612989
09/02/2024$1,700,000ListingRemovedKey West AOR #610540
06/24/2024$1,700,000Listed For SaleFLKMLS #610540
04/15/2024ListingRemovedFLKMLS #606041
12/01/2023$1,799,000PriceChange
MLKAR #606041
07/20/2023$1,800,000Listed For SaleFLKMLS #606041
02/21/2020$1,000,000ListingRemovedAgent Provided
11/12/2019$1,000,000PriceChange
Agent Provided
03/29/2019$750,000PriceChange
Agent Provided
02/21/2019$885,000Listed For SaleAgent Provided

Market trends in Marathon

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$723K
$19.17KMoM
Sale-to-List Price
94.6%
Price per sq ft
$628
$22MoM
Available listings
251
17MoM
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Property Tax and Assessment

Year2025
Tax$9,082
Assessment$1,429,302
Home facts updated by county records

Comparable Sales for 435 121st St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
412 122nd St, Marathon, FL
0.01
Single-Family Home
$2,595,000
08/13/25
3
2.5
2,391
11280 1st Ave, Marathon, FL
0.53
Single-Family Home
$982,000
12/04/25
3
2.5
1,842
12399 Overseas Hwy #25, Marathon, FL
0.22
Single-Family Home
$1,145,000
08/26/25
3
2.5
1,426
650 11th St, Key Colony Beach, FL
0.59
Single-Family Home
$1,075,000
03/10/26
3
3
1,770
601 8th St, Key Colony Beach, FL
0.59
Single-Family Home
$1,142,500
10/16/25
3
3
1,472
11270 3rd Ave, Marathon, FL
0.55
Single-Family Home
$1,260,000
06/01/26
3
2
1,424
640 9th St, Key Colony Beach, FL
0.56
Single-Family Home
$1,310,000
03/04/26
3
4
1,596
11399 6th Ave, Marathon, FL
0.55
Single-Family Home
$2,246,845
06/30/26
3
3
2,452

Nearby homes

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Assigned Schools

These are the assigned schools for 435 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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Apartments for Rent

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Explore by feature - Pet Friendly

16 pet-friendly rentals in Marathon, FL

Explore by feature - Garage

6 rentals with a garage in Marathon, FL

Explore by feature - Air Conditioning

16 rentals with air conditioning in Marathon, FL

Explore by feature - Pool

17 rentals with a pool in Marathon, FL

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15 rentals with a washer/dryer in Marathon, FL

Explore by feature - Outdoor Space

Homes for sale near 435 121st St

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Off Market Homes Near 435 121st St

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MLS Internet Data Exchange (IDX) information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the Florida Keys MLS.