Sara's campground was a fantastic experience for us. We stayed in the back of the upper park which looked to be fairly new with large paved sites that had full hookups that mainly were occupied by non-seasonal sites.
We could easily walk to the beach or the snack shacks out front and Presque Isle State Park can be biked to or driven by simply turning out of the front entrance.
Now that we've stayed one time we have the coveted reservation card system that is used to book for the following year. We'll be sure to be back as we had an excellent time at the park.