Great park, well maintained, wonderful camp hosts. The restaurant (Rib Shack) is closed. One minor detail, you are camped about 10ft below water level. The whole island is that low and is protected by an aging levee system. Do not take Hiway 4 from the I 5 to this place as that is one treacherous road.
This facility suffers from severe overuse. The place is dirty, people walk their dogs and don't clean up the poop. We took a 'nature' walk on a trail in the Wetlands area and were rewarded by a steady stream of hot, soapy water flowing down from the Ranger's residence. From the looks of it, this happens all the time. The days we were there 16 sites were not available due to construction. There are only 16 electrical hook up sites. To get one of these campsites and also one of the non-electric oceanview sites, campers in the know send a scout vehicle to the park at 6am. As soon as a site is scored, the call goes out via cell phone. Also the ranger is notified that the site has been taken. Most of the campsites are small and are surrounded by solid fences. The obligatory picnic table and benches are anchored in concrete and can't be moved. Small trailers without slide outs will do well here. Towing in with a trailer or 5er over 30' is not for the faint hearted. You can walk for miles on the beach and there are spectacular sunsets, but these can also be had elsewhere with a lot less hassle.
This camp ground is next to Pinnacles National Park. The park is known for its condors breeding ground and rock climbing. The camp ground is rather rustic. The camp sites are arranged in a big circle, you set up like spokes of a wheel. Electric is at your rig, water is shared by a central spigot in the middle of the 'wheel'. There are three of these wheels. The camp ground manager is not the nicest person in the world. She is right, you are wrong even when you can prove that you are right.