Stockton State Park is a state park in the U.S. state of Missouri consisting of located approximately south of the city of Stockton. The park occupies a northward jutting peninsula between the Big and Little Sac arms of Stockton Lake, a 24900acre reservoir created when the U.S. Army Corps of Engineers dammed the Sac River in 1969. The park's water-based recreation includes fishing, swimming, skiing, scuba diving, and sailing.Activities and amenitiesThe park offers a marina with two boat ramps and more than 300 stalls, some assigned exclusively to sailboats, a swimming beach, picnic areas, campgrounds, and camper cabins.