I have the perfect place I used to fly radio control gliders off the cliffs It called Sunset Beach campground near Capitola,Ca so close to your home. It is on the coast in the redwood all the camp sites are surrounded by red woods.
If you like beach camping want to go south you have Pismo beach, San Onofre,Carlsbad, San Elijo in Cardiff. You might be able to find but hard to get in the state campgrounds at the beach you do have wait in line for excess camping spots.
Campland by the bay in San Diego is a private campground in the Pacific Beach you have the beach and board walk is the spot about mile away bring bicycles,skateboards,rollerblade,bodyboards,surfboards or rent them from all the rental shops for the boardwalk.The night life of Pacific beach Dancing bars, restaurants. Beach fun and games for a graduating class of nurses.