Grand Lake St Marys State Park Fishing Access provides accessible fishing opportunities on Ohio's 13,500-acre lake, with an accessible fishing pier at East Bank and an accessible fishing access area at West Bank.

The park features eight state-operated boat launch ramps around the lake's 52 miles of shoreline, along with picnic areas, restrooms, and other amenities for day-use visitors. A valid Ohio fishing license is required for anglers 16 and older.