6099 Overseas Highway LOT 55W, Marathon, FL 33050

$320,000

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Property Type: Vacant Land Lot Size (sq. ft.): 1,146 Status: Closed

Current Price: $320,000 List Date: 7/05/2026 Last Modified: 9/18/2026

Overview

Description

Canal-front lot in Key by the Sea, located at 6099 Overseas Highway, Unit 55W in Marathon, Florida. This waterfront property features a newly rebuilt dock and installed boat lift, offering immediate boating access to open water. Property includes an official Letter of Determination confirming a transferable building right. Buyers are encouraged to verify all development rights and intended use with the appropriate governmental authorities. A 2022 travel trailer is negotiable in the sale of the lot as personal property. Located in a waterfront community near marinas, restaurants, and shopping, this property offers convenient access to the Florida Keys lifestyle. Strong opportunity for investors, boaters, or buyers seeking canal frontage with existing dock infrastructure and flexible use potential.

Listing Details MLS# 620531

Location, Tax & Legal

Street #: 6099
Street Name: Overseas
Street Suffix: Highway
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Keys RV/Mobile Home Condominium (50.5)
Area: 16 - Sombrero Bch Rd to Vaca Cut - Oceanside
Unit #: LOT 55W
City: MARATHON
Off Shore Island: No
Mile Marker: 50.5
Marathon Neighborhood: Mid-Town - Ocean (Sombrero to 71st)
Senior Community YN: No
Side: Ocean
Flood Zone: AE,AE
Alternate Key #: 9078514
Parcel #: 00338830001950
Zoning: R-MH - Residential - MH
Deed Restrictions: Unknown
Legal: Parcel No 55W And 1/200% Common Elements Keys Rv/Mobile Home Condominium Or2072-382 Or2184-1319/29Amd Or2329-475 Or3123-
Taxes: 3365.92
Tax Year: 2025

Contract Information

Listing Board: Marathon/Lower Keys
ROGO Exempt: Yes
Limited Representation: No
As is Rght to Inspct: Yes
Potential Short Sale: No
Bank Owned: No
Species List: No

General Property Description

Realtor.COM Type: Vacant Land
Waterfront: Yes
Control Depth: 4
Lot Dimensions: X
Lot SqFt: 1146
Lot Sqft Source: Property Data Card
Survey Available: Yes
Vegetation Survey: No
Wtr Mn Inquiry File: No

Status Change Info

Under Contract Date: 2026-07-28
Sold Date: 2026-09-18

Miscellaneous Info

Mobile Home Lot: Yes
RV Lot: Yes

Dockage

Dock Length: 28
Boat Lift: Yes

More Information

Financial Status

Bank Owned: No
Potential Short Sale: No

Remarks & Misc

Remarks – Consumer: Canal-front lot in Key by the Sea, located at 6099 Overseas Highway, Unit 55W in Marathon, Florida. This waterfront property features a newly rebuilt dock and installed boat lift, offering immediate boating access to open water. Property includes an official Letter of Determination confirming a transferable building right. Buyers are encouraged to verify all development rights and intended use with the appropriate governmental authorities. A 2022 travel trailer is negotiable in the sale of the lot as personal property. Located in a waterfront community near marinas, restaurants, and shopping, this property offers convenient access to the Florida Keys lifestyle. Strong opportunity for investors, boaters, or buyers seeking canal frontage with existing dock infrastructure and flexible use potential.

Assoc/Misc Info

Mandatory Home Owners Asc: Yes
1st Right of Refusal: No
Association Fee $: 247
Assoc/Mnt Fee Per: Monthly

Tax Exemptions

None: Yes

Waterfront

Canal Front: Yes

Waterview

Canal View: Yes

Neighborhood Feature

Clubhouse: Yes
Community Boat Ramp: Yes

Land Size

Less Than 1/4 Acre: Yes

Property Features

Tax Exemptions: None Waterfront: Canal Front Dockage: Boat Lift Waterview: Canal View Neighborhood Feature: Clubhouse; Community Boat Ramp Land Size: Less Than 1/4 Acre

Listing Office: Island Breeze Realty, LLC

Last Updated: September - 18 - 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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