d1e59c9a_w_about_Campground_Memberships__Public_Camping
[Private Membership Camping] Each private resort offers numerous amenities, such as: a member lodge/club house, convenience store, indoor/outdoor swimming pool and spa complex, beach and marina, boats, fishing, playground, horseshoes, basketball, miniature golf, ice skating, horse back riding, recreation rooms, member's kitchen, restaurants, laundry facility, and much more! There really is too much to list! [1] Amenities [Public Camping] 
Most public campgrounds just don't have the budgets for the amenities you will find in a private membership resort. Also, those that do have amenities, such as a pool, often charge extra for their usage.
Why Buy a Camping Membership   Everything you should Know about Campground Memberships
Public Camping