13759 Overseas Highway, Marathon, FL

$3,900,000

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4

Beds

5

Baths

3.69

Acres

About 13759 Overseas Highway

Rare Florida Keys mixed-use development opportunity with approx. 124,300 sq. ft. of uplands plus additional bay bottom ownership. Property includes 4 verified building rights with Letter of Site Condition on file. Existing improvements include a duplex and single-family home. Mixed Use (MU) zoning allows for a wide range of future possibilities, including commercial, residential, storage facility, marina-related use, workforce housing, market-rate housing, or potential subdivision into multiple parcels. Current zoning allows up to 6 market-rate units per acre or up to 15 affordable units per acre, buyer to verify per City of Marathon. The property offers approximately 216 feet of highway frontage, plus additional east-side access through an access easement, creating multiple entry points and flexibility for future site planning. A neighboring gas station adds convenience and commercial synergy for future development concepts. A unique feature is the sleeper asset of this property which is ownership/control of bay bottom extending behind approximately 12 lots along Cocoplum Drive, creating potential value tied to dockage, marina concepts, water access, assemblage opportunities, or long-term redevelopment. Deep-water access, good depth, multiple boating configurations, and proximity to the marked channel entrance add to the site's appeal. Large mixed-use tracts with water access and verified building rights are increasingly rare in the Florida Keys, making this a strong opportunity for an investor, developer, marina operator, or long-term land holder. Seller states property will be delivered vacant and free of personal belongings before closing. Buyer to verify zoning, density, building rights, permitted uses, dockage, water depth, access easements, permitting, and development potential.

Features of 13759 Overseas Highway

MLS® # 620305
Price $3,900,000
Bedrooms 4
Bathrooms 5.00
Full Baths 4
Half Baths 1
Acres 3.69
Year Built 1950
Type Commercial Sale
Sub-Type Commercial
Status Active

Community Information

Address 13759 Overseas Highway
Area 18 - East of Holiday Inn US #1 & Coco Plum
Subdivision Driftwood Estates (54.0)
City Marathon
County Monroe
State FL
Zip Code 33050

Amenities

Utilities FKAA, Municipal Sewer
Parking Guest Parking, Off Street Parking
View Ocean View
Is Waterfront Yes
Waterfront Open Water
Has Pool No

Interior

Appliances Refrigerator, Range
Cooling Central Air, Wall/Window Unit(s), Ceiling Fans(s)
Fireplace No
Has Basement No

Exterior

Lot Description 2 Less Than 5 Acres
Construction CBS

Additional Information

Date Listed June 17th, 2026
Days on Market 28
Zoning MU - Mixed Use Commercial Mixed Use
Short Sale No
RE / Bank Owned No

Listing Details

AgentSamuel Davis Williams
OfficeColdwell Banker Schmitt Real Estate Co.

Listing Map

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