A visit to Cemetery Island is sure to impress, as the island is a unique combination of natural beauty and historical significance! The island is located in the center of Montana’s third-largest lake. You can rent a boat to explore the island. It is also home to a cemetery that was established in the 1860s. Take a walk through the island, and view relics from Montana’s past! If you wish to explore the island, it is only possible to rent a boat between May to October.