Kinney Point State Park is a 76-acre (31 ha) Washington marine state park in Jefferson County. The park sits on 683 feet (208 m) of shoreline at the south end of Marrowstone Island. Campsites are restricted to visitors arriving by other than motorized means. In addition to camping, park activities include boating, fishing, clam digging, and crabbing. The park is part of the Cascadia Marine Trail.