Canal-front opportunity in Key by the Sea at 6099 Overseas

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Home For Sale

6099 Overseas Highway UNIT 55W

Marathon, Florida 33050

Monroe County

Waterfront: Yes

Community: Keys RV/Mobile Home Condominium (55)

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$385,000 1 br, 1.0 bath 250 sq. ft. 0.030 acres

Canal-front opportunity in Key by the Sea at 6099 Overseas Highway, Unit 55W. This waterfront lot features a newly rebuilt dock and installed boat lift, offering immediate boating access in the heart of Marathon.A 2022 travel trailer currently located on the property is included as personal property, allowing for immediate use while planning future improvements.Seller states there is a ROGO exemption. Buyer to independently verify building eligibility and permitting status with the City of Marathon.Located in Key by the Sea, this community is conveniently situated near dining, shopping, marinas, and open water access.A rare opportunity to secure canal frontage with existing dock infrastructure and flexible use potential in the Florida Keys.

Interior:
  • Bedrooms: 1
  • Baths: 1.0
  • Sq Ft: 250
  • Year Built: 2022
  • Utilities: 
  • Fireplaces: 
  • Stories: 
  • Heat/AC: 
  • Garage: 
Exterior:
  • Lot Size: 0.030 acre
  • Lot Dimensions: 
  • Waterfront: Yes
  • View Types: 
  • Yard: 
  • Siding: Other
  • Roof: 
  • Property Taxes: $3,366
  • MLS #: 618969
  • Unit Number: UNIT 55W
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Contact Information:
Beach Home For Sale in Marathon, Florida
Listing Agent: Jennifer Davis, Island Breeze Realty, LLC, 305-563-4720, 305-289-8855 Listing Site, Listing Status: Active
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Ad Number: 7372937
Viewed 16 times.
Updated: Mar 07, 2026

This property is a Home located at 6099 Overseas Highway UNIT 55W, Marathon, Florida 33050, and is currently For Sale at $385,000. This Home has 1 bedrooms, 1.0 baths, 250 sq ft.