Its It Boat Ramp provides access to Grand Lake St. Marys, Ohio's largest inland lake, located on It's It Road in Celina, Mercer County.

The ramp is one of seven state-operated launch facilities on the lake and serves as a convenient access point for boaters exploring the 13,500-acre reservoir with its 52 miles of shoreline.

The area includes nearby amenities such as It's It Bar and Grill and Kozy Kampgrounds, making it a practical base for water recreation.