McGrath State Beach Campsite Published on August 13, 2013 in The Top 10 Best Places to Go Camping in Southern CaliforniaFull resolution (3648 × 2736) < Previous Next > We stumbled upon McGrath State Beach when all the campsites in Malibu were sold out. It was a great find just off Port Hueneme in Oxnard. This is the closest thing we’ve ever done to beach camping.