Topsail Hill Preserve. It is WONDERFUL!! We go every year and it is very nice. It is a state park, has a pool, laundry, bath houses,etc. You do not park your RV right on the beach but they have almost 2 miles of private beach (Never crowded!!!) and you can ride the trolley or walk or ride your bike (approx 1.4 miles from tram stop to beach boardwalk). The trolley runs every hour. It is safe for the kids to ride bikes and they always meet new "friends". We actually have several families from different states that meet back at the campground every year to vacation together. I would absolutely recommend this place! They also have "cabin" rentals (weekly) and they appear to be nice too. As my kids would say, It's da bomb!