High Quality Content by WIKIPEDIA articles! Rattlesnake Island is an 85-acre (34 ha) island located on Lake Erie near Put-In-Bay, 11 miles (18 km) northeast of Port Clinton, Ohio. It is one of several islands known as the Lake Erie Islands. The name Rattlesnake comes both from the actual Rattlesnakes that used to inhabit the island, as well as from the overall shape of the island (two small islets near the tip resemble a rattlesnake`s rattle).