West Sister Island is located in the western basin of Lake Erie. The lighthouse on the westernmost point of the island was built in 1848, and is one of the oldest lighthouses to survive on the Great Lakes. The island itself is Ohio's only designated wilderness area, 

http://en.wikipedia.org/wiki/West_Sister_Island

http://www.lighthousefriends.com/light.asp?ID=273

http://www.fws.gov/refuges/profiles/index.cfm?id=31542