We camped at Potawatomi State Park this past weekend, because we've camped at Peninsula State Park a few times, and wanted to try somewhere new in Door County. There are a lot of great things about Potawatomi and I would definitely camp there again.
Unfortunately, due to our busy itinerary on Saturday we didn't get to explore much of the park. We did climb the tower, which was a lot scarier than I thought it would be. The tower was shaking quite a bit as we made our way toward the top, which I assume was due to strong winds.
My only complaint would be the distance between campsites. We have camped at many state parks, and Potawatomi is by far the most crowded. I could not believe how close the campsites were to each other! Although there were some sites that were better than others, such as 48 and 50, and site 55 was even better.
The camp store at Potawatomi has everything you could possibly need, so you don't need to worry about forgetting anything. They also rent bikes, canoes and kayaks. Camp stores often jack up prices for their captive consumers, so I was impressed when I found very reasonable prices at the Potawatomi camp store.