To Make it Easy we have compiled a list of mostly private nearby campgrounds that do not require reservations 6 months in advance

 5 miles Bonelli Park or Puddingstone Lake in San Dimas    Bonelli Bluffs RV Resort and Campground. http://www.bonellibluffsrv.com/ 909-599-8355  $65/ night

45 miles Dockweiler State Beach  https://beaches.lacounty.gov/dockweiler-beach/ 424-526-7777  (310) 322-4951    $55

58 miles Malibu Beach Rv Park  https://www.maliburv.com/   (800) 622-6052  $45 - $90

66 miles Doheny State Beach http://www.parks.ca.gov/?page_id=645       949-496-6171  $40

57 miles Crystal Cove State Park Laguna Beach  http://www.parks.ca.gov/?page_id=644   (800) 444-7275  $40

75 miles Oceanside Rv Park https://www.traveloceanside.com/ 760-722-4404 $55 - $90

81 miles Ventura Beach Rv Resort https://www.vbrvresort.com/  805-643-9137

94 miles Rincon Parkway Ventura Faria Beach Park https://www.ventura.org/parks-department/beach-front-parks/rincon-parkway/   (805) 654-3951  $40

108 Miles Joshua Tree National Park  https://www.nps.gov/jotr/planyourvisit/campgrounds.htm $15/ night

122 miles Mission Bay San Diego   https://www.campland.com/  858-581-4260  $60 to $250

140 miles Ocean Mesa Santa Barbara http://www.oceanmesa.com/  866-410-5783 $55 - $125

140 miles El Capitan Santa Barbara http://www.parks.ca.gov/?page_id=601 (805) 968-1033  $40

216 miles Morro Dunes Rv Park  http://morrodunes.com/morro_dunes/index.html    (805) 772-2722  $31 - $50

304 miles Big Sur http://www.ventanacamping.com/  831.667.2712  $85