Lake Marion, South Carolina's largest lake at 110,000 acres, offers diverse paddling experiences from open water to secluded swamps. The lake is known for its abundant wildlife, including alligators, turtles, eagles, and various bird species. Cypress and tupelo forests line portions of the shoreline, creating scenic paddling routes.

Several access points are available. Rocks Pond marina and Speirs Landing provide boat launches, with Speirs Landing offering free access. Pack's Landing in Pinewood allows entry to remote wetland areas. Santee State Park also has a boat ramp for accessing Poplar Creek.

Paddlers should be aware of potential hazards. The reservoir can experience rapid wave buildup, making conditions challenging for beginners. Submerged trees or "mines" pose risks in some areas. A GPS is highly recommended for navigation, especially in the maze-like swamp sections.

Notable paddling routes include exploring the islands near the former town of Ferguson, with visible ruins from an old lumber mill. Poplar Creek offers a 2.25-mile out-and-back trip through cypress forests and lily pad fields. The northernmost part of the lake features hundreds of acres of shallow wetlands, ideal for experienced paddlers seeking solitude.

Water levels can vary seasonally, affecting passage through narrow creeks and swamps. Summer months bring hot, sunny conditions. The lake is popular with anglers, so paddlers may encounter fishing boats, particularly on weekends.

Camping is available at locations like Rocks Pond Campground. Some areas, such as Church Island, feature historical sites including old church foundations and a cemetery. Paddlers should practice Leave No Trace principles and be prepared for potentially strenuous conditions, especially when paddling against currents in canals and creeks.