There are several good RV campground sites located near Carpinteria State Beach. To find one that suits your needs I suggest looking on the state's park website.
The park has a 261 site campground. They are divided into loops 2 of which are exclusively designated for RV camping and another 2 are mixed tent and RV camping. They have grass lawns and some have trees and some are close to the beach.
Yes, Carpinteria State Beach offers excellent sites for RV camping at decent prices. These sites are almost all beach front so it can be difficult to get one if you do not make a reservation.
Carpinteria State Beach has RV campsites with a maximum 7 day occupancy. After 7 days, the camper must leave for 48 hours and can then retun. For info call (805)968-1033.
The sites are quite close together, but are right on the beach. The crowding can be an issue, as can the limitations on size. Overall maximum length is 35', but the sites closest to the beach are limited to 23'.
No, there aren't good campground RV sites are Carpinteria State Beach. Many people have complained about them. It costs a lot and is not well maintained.