Sometimes local camera stores have camera clubs listed on their website. I found the following entry at http://www.photo-ne.com/biglist/page13.htm
" [email protected]
Channel Islands Photographic Society:
PSA liaison: Florence Johnston, FPSA, 220 Ash St., Oxnard, CA 93033
The club meets every third Wednesday of the month, 7:00PM, at the First Presbyterian Church, 850 Ivywood St., Oxnard, California. Currently holds slide competitions only, every other month. Alternate month's programs are presented by members or outside speakers. Monthly field trips to local places of interest, or social get-togethers. The club publishes a monthly newsletter, and is a member of PSA."
I don't know if the email address is connected to this entry, or the previous (it's not obvious on the page).