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Portman Marina is a full-service boat access point on Six and Twenty Creek near Lake Hartwell in Anderson, SC. The facility features a large launch ramp with good parking, making it convenient for kayakers, canoeists, and motorboat operators of all experience levels. The marina offers amenities including wet slips (up to 50 feet), dry storage, a courtesy dock, fuel services, and water/electricity hookups for those planning extended trips.
Lake Hartwell is one of the most popular Corps of Engineers lakes in the nation, offering extensive paddling and boating opportunities across its expansive waters. The boat launching ramp operates year-round, though the park grounds are typically open April 1–September 9. With 34 boat ramps distributed across the lake, Portman Marina serves as a major launching point for exploring the region. Nearby camping options are available at Lake Hartwell Camping and Cabins for paddlers planning overnight trips.