An overnight permit is required. Campsites are first come, first served for parties of six or fewer and boaters; groups of seven or more need advance reservations. The stay limit is three nights from June 1 through Labor Day. Food-storage lockers are available year-round, but water is nonpotable, and there is no camp store or ice or firewood for sale. The park’s island campgrounds have outhouses. Bring food and drinking water, or a way to make water safe. There is no cell or internet service, trash collection, or staff on site.