Crystal Cave
Crystal Cave on Put-In-Bay
978 Catawba Street. Box 300 • Put-in-Bay OH 43456 • 419-285-2811
The Crystal Cave is a limestone cave located in Put-in-Bay, Ohio, located on South Bass Island in Lake Erie. It is also the world's largest known geode. Discovered in 1897 when workers for the Heineman's Winery were drilling for a well. This cave is about 12-15 thousand years old.