Might want to go a little further south to Ocean Lakes Family Camp Ground at the end of Myrtle Beach right before Surfside beach. one RV, One Tent, one Vehicle with trailer or tow dolly allowed. Fantastic place.
https://www.oceanlakes.com/
They are totally squared away. Gated Community with its own security force. No nonsense allowed. Only motorized vehicles allowed are licensed motor vehicles. Golf carts have to be electric. If you have a motorcycle you have to walk it to your site or park it in the special Motor Cycle parking area inside the campground.
As per their website: "Ocean Lakes features 859 campsites and 2,569 annual lease sites on 310 oceanfront acres with nearly one mile of beachfront, five bathhouses, and more than 500 employees in the height of the camping season. It is the largest campground on the east coast and one of the largest in the United States."