10818 1St Avenue Gulf, Marathon, FL 33050

$440,000

Privately fenced backyard with shed (included)

Primary Bedroom with King size bed for spatial reference

Primary Bedroom ensuite bathroom (walk in shower)

Second Bedroom with a Double size bed for spatial reference

Open Concept Living Area and Dining Area

Covered Porch and Laundry Area (washer, dryer, and deep freezer not included)

Property Type: Residential Bedrooms: 2 Baths: 2 Square Footage: 810 Lot Size (sq. ft.): 2,214 Status: Closed

Current Price: $440,000 List Date: 2/26/2026 Last Modified: 4/10/2026

Overview

Description

Well-maintained and tastefully updated 2 bedroom, 2 bathroom half duplex located in the heart of Marathon in the beautiful Florida Keys. This home features an open concept living and dining area, perfect for entertaining. The kitchen is equipped with stone countertops and ample cabinetry. Tile flooring runs throughout the home for easy maintenance. Both bedrooms feature an en-suite bathroom, 1 bathroom is newly remodeled. The fully fenced yard provides excellent outdoor space for pets, entertaining, or relaxing in your own private tropical setting. There is ample room for outdoor seating, grilling, and storage. Located in close proximity to marinas, public boat ramps, shopping, dining, and all the amenities the Keys lifestyle offers. Whether you are seeking a full-time residence, or investment opportunity, this property offers versatility and value in one of the most desirable areas of Florida. Sellers are very motivated!

Listing Details MLS# 618824

Location, Tax & Legal

Street #: 10818
Street Name: 1St Avenue Gulf
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Key Colony Sub (53.0)
Area: 15 - Sombrero Bch Rd to Vaca Cut Gulfside
City: MARATHON
Off Shore Island: No
Mile Marker: 53
Marathon Neighborhood: Marathon East - Gulf (Airport to Vaca)
Side: Bay/Gulf
Flood Zone: AE
Alternate Key #: 1411507
Parcel #: 00333780-000100
Zoning: RM - Residential Medium
Deed Restrictions: Unknown
Legal: E1/2 LOT 12 KEY COLONY SUBDIVISION #1 KEY VACCA PB3-107 OR48-199 OR485-335 OR3113-2296 OR3130-1368 OR3288-0257
Taxes: 2660.22
Tax Year: 2025
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Marathon/Lower Keys
Species List: No

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Half Duplex
Waterfront: No
Pool: No
Year Built: 1959
Lot SqFt: 2214
Lot Sqft Source: Property Data Card
Acres: 0.05
Living Apx SqFt: 810
SqFt Source: Property Data Card
Total Bedrooms: 2
Full Baths: 2
Total Baths: 2
Rentals Allowed: Yes
Min Rental Days: 7
Control Depth: 0

Status Change Info

Under Contract Date: 2026-03-03
Sold Date: 2026-04-10

Association Info

Mandatory Home Owners Asc: No
1st Right of Refusal: No
Association Fee $: 0

Building Style

Above Flood: No
Ground Level: Yes

More Information

Remarks & Misc

Remarks – Consumer: Well-maintained and tastefully updated 2 bedroom, 2 bathroom half duplex located in the heart of Marathon in the beautiful Florida Keys. This home features an open concept living and dining area, perfect for entertaining. The kitchen is equipped with stone countertops and ample cabinetry. Tile flooring runs throughout the home for easy maintenance. Both bedrooms feature an en-suite bathroom, 1 bathroom is newly remodeled. The fully fenced yard provides excellent outdoor space for pets, entertaining, or relaxing in your own private tropical setting. There is ample room for outdoor seating, grilling, and storage. Located in close proximity to marinas, public boat ramps, shopping, dining, and all the amenities the Keys lifestyle offers. Whether you are seeking a full-time residence, or investment opportunity, this property offers versatility and value in one of the most desirable areas of Florida. Sellers are very motivated!
Directions: Take US-1 to 109th Street. Make a left onto 1st Ave Gulf. Home will be on the right-hand side.

Fee Includes

None: Yes

Dockage

None: Yes

Tax Exemptions

Homestead: Yes

Appliances

Dishwasher: Yes
Microwave: Yes
Oven: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes

Pets

Pets Allowed: Yes

Cooling

Central Air: Yes

Waterfront

None: Yes

Waterview

No Waterview: Yes

Floor

Tile: Yes

Property Condition

Updated/Remodeled: Yes

Vehicle Storage

Attached: Yes

Construction

CBS: Yes

Land Size

Less Than 1/4 Acre: Yes

Furnished

Unfurnished: Yes

Utilities

Buyer to Verify: Yes
Elect Separate Meter: Yes
FKAA: Yes
Municipal Sewer: Yes

Porch/Balcony

Patio: Yes

Exterior Features

Fencing: Yes

Roof

Other Roof: Yes

Property Features

Fee Includes: None Tax Exemptions: Homestead Waterfront: None Waterview: No Waterview Dockage: None Property Condition: Updated/Remodeled Building Style: Ground Level Vehicle Storage: Attached Furnished: Unfurnished Cooling: Central Air Utilities: Buyer to Verify; Elect Separate Meter; FKAA; Municipal Sewer Appliances: Dishwasher; Microwave; Oven; Refrigerator; Stainless Steel Appliance(s) Exterior Features: Fencing Construction: CBS Floor: Tile Roof: Other Roof Pets: Pets Allowed Land Size: Less Than 1/4 Acre

Listing Office: KeysCations Realty

Last Updated: April - 10 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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