Cobscook Bay State Park is a public recreation area occupying 888 acres (359 ha) on the western shore of Cobscook Bay in Washington County, Maine.

The state park is located on Whiting Bay approximately 6 miles (9.7 km) south of Dennysville and 6 miles (9.7 km) north of Whiting.

[3] The park was created in 1964 when the Federal government offered to lease to the state of Maine lands that remain part of Moosehorn National Wildlife Refuge.

[3][4] The park offers hiking trails, picnicking, camping, boat launch, and bird watching.

Over 200 species of birds have been noted, including the American bald eagle.