Stone Lab on Put-in-Bay is owned by The Ohio State University. Here, guests can tour the oldest freshwater field station in the United States. The university holds college level courses, outreach programs for younger students and conducts Lake Erie research. They tackle important topics such as the red algae concern of the lake. They work in conjunction with the Ohio Sea Grant Program. Guests can even fish from their dock. They have fishing gear to lend out to visitors. Bring the whole family for a fun and informative visit.