This is the oldest active lighthouse on the U.S. side of the Great Lakes. Located at the end of OH 163 east of Lakeside. Site open daily, tower open to guided tours weekday afternoons and every other Saturday during the summer. South Bass Island 1897. Inactive since 1962.
Building is part of a biological and ecological research facility.
Located at the southwestern end of the island. Site and tower closed except for occasonal tours from the museum. F.T. Stone Laboratory , Ohio State University. Green Island 1865. Inactive since 1939.