1306 &1308 51St Street Gulf, Marathon, FL 33050

$990,000

Property Type: Residential Bedrooms: 4 Baths: 2 Square Footage: 1,568 Lot Size (sq. ft.): 10,000 Status: Active

Current Price: $990,000 List Date: 1/18/2026 Last Modified: 5/26/2026

Description

Solid CBS full duplex in the heart of Marathon, set on an oversized 10,000 sq. ft. lot with mature native trees for added shade and privacy. Built for strength and long-term value, this elevated stilted property features concrete construction, a concrete roof, impact windows, newer HVAC systems, and four covered parking bays below. Each unit has been fully remodeled with gray faux wood flooring, granite countertops, stainless steel appliances, and clean modern finishes. The property has a strong income history, previously grossing approximately $69,000 annually, with one side currently left vacant for easy showings. Ideal for investors, employee housing, or living in one unit while renting the other, this duplex offers flexibility, usable outdoor space, covered parking, storage potential, and a central Marathon location close to shopping, dining, marinas, beaches, and daily conveniences.

More Information MLS# 618176

Contract Information

Listing Board: Marathon/Lower Keys As is Rght to Inspct: Yes Potential Short Sale: No Bank Owned: No Species List: No Current Price: $990,000 Listing Date: 2026-01-18 List Price: $990,000

Location, Tax & Legal

City: MARATHON Off Shore Island: No Mile Marker: 49.5 Marathon Neighborhood: Old Town East (25th to Sombrero) Side: Bay/Gulf Flood Zone: AE-9 Alternate Key #: 1399540 Parcel #: 00325460-000000 Zoning: RM - Residential Medium Deed Restrictions: Unknown Legal: BK B THE WEST 100FT OF LT 12 WOODBURNS SUB PB2-29 KEY VACA Taxes: 6926.92 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 1306 &1308 Street Name: 51St Street Gulf Key/Island: Marathon State/Province: FL Zip Code: 33050 County: Monroe Subdivision: Woodburns Sub (49.5) Area: 13 - 7 Mile Bridge to Sombrero Bch Rd E & W

General Property Description

Realtor.COM Type: Multi-family Waterfront: No Control Depth: 0 Lot SqFt: 10000 Pool: No Lot Sqft Source: Property Data Card Total Units: 0 Acres: 0.23 SqFt Source: Property Data Card Rentals Allowed: Yes Min Rental Days: 7 Style: Duplex Year Built: 1969 Living Apx SqFt: 1568 Total Bedrooms: 4 Full Baths: 2 Total Baths: 2

Remarks & Misc

Remarks – Consumer: Solid CBS full duplex in the heart of Marathon, set on an oversized 10,000 sq. ft. lot with mature native trees for added shade and privacy. Built for strength and long-term value, this elevated stilted property features concrete construction, a concrete roof, impact windows, newer HVAC systems, and four covered parking bays below. Each unit has been fully remodeled with gray faux wood flooring, granite countertops, stainless steel appliances, and clean modern finishes. The property has a strong income history, previously grossing approximately $69,000 annually, with one side currently left vacant for easy showings. Ideal for investors, employee housing, or living in one unit while renting the other, this duplex offers flexibility, usable outdoor space, covered parking, storage potential, and a central Marathon location close to shopping, dining, marinas, beaches, and daily conveniences. Directions: US1 head South turn on 51st Street Gulf on your right hand side.

Association Info

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

Fee Includes

None: 1

Dockage

None: 1

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1 Central Air: 1

Waterfront

None: 1

Waterview

No Waterview: 1

Floor

Terrazzo: 1

Neighborhood Feature

Airstrip: 1 Beach: 1 Bike Paths: 1 Community Boat Ramp: 1

Property Condition

Updated/Remodeled: 1

Building Style

Above Flood: Yes Stilt Column Height: Medium - 5Ft - 9Ft Stories: 2 Stories

Windows/Doors

Impact Rstnce Window: 1

Vehicle Storage

Car(s): 4+ Carport: 1 Covered Parking: 1 Guest Parking: 1 Open Parking: 1 RV Parking Open: 1 Trailer Storage: 1

Construction

CBS: 1

Land Size

Less Than 1/4 Acre: 1

Furnished

Unfurnished: 1

Utilities

Elect Separate Meter: 1 FKAA: 1 Municipal Sewer: 1 Water Separate Meter: 1

Porch/Balcony

Open Porch/Balcony: 1

Roof

Concrete Roof: 1

Financial Status

Auction: No Bank Owned: No Potential Short Sale: No Standard Sale: Yes

Shutters

Other: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: None Waterview: No Waterview Dockage: None Property Condition: Updated/Remodeled Vehicle Storage: Carport; Covered Parking; Guest Parking; Open Parking; RV Parking Open; Trailer Storage Furnished: Unfurnished Cooling: Ceiling Fans(s); Central Air Utilities: Elect Separate Meter; FKAA; Municipal Sewer; Water Separate Meter Appliances: Dishwasher; Microwave; Oven; Range; Refrigerator Construction: CBS Shutters: Other Floor: Terrazzo Roof: Concrete Roof Pets: Pets Allowed Neighborhood Feature: Airstrip; Beach; Bike Paths; Community Boat Ramp Land Size: Less Than 1/4 Acre

Listing Office: Coldwell Banker Schmitt Real Estate Co.

Last Updated: May - 26 - 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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