We camped there a couple of years ago for a few days at the end of August (just a couple of days after returning from a week at the Poly - talk about a contrast in accomodations!) In general the campsites on the outside are larger than the ones on the inside - we shared a site with friends and had room for 2 tents easily on our site. You're only allowed one vehicle AT the site, the other must be in the camp parking lot, which really isn't far. The ground is REALLY sandy, and I'd go for sites toward the back of the campground as they tend to be higher and drainage should run away from your site. It's HOT and sticky however so sleeping comfortably can be a challenge. Water and showers/bathrooms are OK, not spectacular but servicable. During the week typically isn't full but weekends are from what I hear. The beach at the state park is very good and is lifeguarded. HTH - let me know if you have other specific questions as I have a friend who camps there yearly!
