Boat ramps in Mercer County, Ohio

5 public launch sites.

• Grand Lake St. Marys State Park - Its It Ramp

  Grand Lake St. Marys

• Grand Lake St. Marys State Park - Mercelina Park

  Grand Lake St. Marys

• Grand Lake St. Marys State Park - West Bank Ramp

  Grand Lake St. Marys

• Grand Lake St. Marys State Park - Windy Point

  Grand Lake St. Marys

• Village of Montezuma Ramp Facility

  Grand Lake St. Marys