States. It contains six classrooms, offices, laboratories, computing facilities, and a 100-seat auditorium. It hosts workshops for grade school students throughout the year, and full-credit college courses are offered to advanced high school students, undergraduates, and graduate students over the summer. Other buildings on Gibraltar include: Cooke Castle, built in 1865 by Jay Cooke, currently being renovated, listed on National Register of Historic Places Barney Cottage, built in approximately 1900 by Jay Cooke's daughter, sleeps 22 Dining Hall, built in 1929 by Ohio State Stone Cottage, built in 1930 by Ohio State as quarters for instructors and researchers, slept 10 Gibraltar House, built in 1930 by Ohio State as quarters for the caretaker Harborview House, built in 1985 by Ohio State as a dormitory, sleeps 60 References External links Cooke Castle Ohio Sea Grant College Program Stone Laboratory Ohio State University Islands of Ottawa County, Ohio Islands of Lake Erie in Ohio