http://en.wikipedia.org/wiki/List_of_California_State_Beaches
Reserveamerica.com
I used both of these. I copied the wiki list into an Excel spreadsheet so I can make notations such as 'day use only' in order to reduce searches in the future. Note that reserve america doesn't cover all the state beaches or parks and some are covered by cities, counties, and the state.
There are only 10 kinds of people in this world: those that can read binary, and those that can't.
MOTHER SHIP Winnebago View 24H (2007 Dodge Sprinter 3500 Chassis, 2008 Body)3.0 L M-B Diesel V6 bought used with 24K miles. Toad: ROCKY the Flying Squirrel.