There are some great Los Angeles beach hotel options all along the Southern California Coast from the OC beaches all the way to Santa Barbara.
Malibu
Surfrider Hotel
Malibu Beach Inn
Hermosa Beach
Marina Del Rey
Jamaica Bay Inn Tapestry by Hilton
Rancho Palos Verdes
Terranea Resort
Redondo Beach
Santa Monica Beach Hotels
Loews Santa Monica Beach Hotel