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4 Beds
2 Baths
1,568 sqft

$990,000

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

Price per sqft$631.38
Built in1969
Property size1,568 sqft
Property typeMulti-family

Overview

Active

Listed Jan 18, 2026

Updated Sep 1

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.

$6,586/mo

Est. mortgage payment based on a $990,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
618176

Interior Features

Bedrooms
4
Bathrooms
2
Cooling
Yes
Basement
No

Exterior Features

Lot Size
0.23 Acres

Other Property Details

Taxes
$6,927
Tax Frequency
Annually
View
Yes
Pets Allowed
Yes
MLS provider logo

Listed by Samuel Davis Williams with Coldwell Banker Schmitt Real Estate Co.
Listing Contact: 305-289-6559 

The IDX display contains information sourced from the Florida Keys Board of REALTORS® as of 9/1/2026. This data is intended solely for personal, non-commercial use and is not to be utilized for any other purposes except to identify potential properties for purchase. Although the MLS data displayed is typically considered reliable, it is not guaranteed to be accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and are advised to conduct their own investigations or seek professional assistance. Other sources besides the Listing Agent may have contributed to the MLS data presented. Unless expressly specified in writing, the Broker/Agent has not confirmed any information obtained from external sources. The Broker/Agent may or may not have acted as the Listing and/or Selling Agent and cannot guarantee the accuracy of property locations displayed on any map. Any compensation offers are solely made to participants of the MLS where the listing is registered.

©2026 Florida Keys Board of REALTORS® all rights reserved.

Data last updated on 9/1/2026 at 1:43 AM UTC

 

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