John A. Latsch State Park was created in 1925.
John Bryan State Park was created in 1949.
John James Audubon State Park was created in 1934.
John U. Lloyd Beach State Park was created in 1973.
John D. MacArthur Beach State Park was created in 1989.
John Pennekamp Coral Reef State Park was created in 1963.
John Ducey Park was created in 1935.
State Forest State Park was created in 1970.
Snow Canyon State Park was created in 1958.
Lake Wappapello State Park was created in 1956.
John Forrest National Park was created in 1957.
John Howell Memorial Park was created in 1988.
Aztalan State Park was created in 1947.