I haven't been there since the redone some of it last year. But I do know they went up a couple dollars and it's first come first serve. It was 22 dollars a night then
On the Island it's ONLY reservation. And the price has gone up too. Was told by a park ranger that it's all going to be reservation only. You can pick out your spot 90 days in advance. My dad is camping this weekend and next week too