Before hitting La Jolla, I recommend that you look at the following publication:
https://nrm.dfg.ca.gov/FileHandler.a...93&inline=true
both north and south La Jolla have MPAs and you should know the boundaries by heart before going out. They are no-take mpa's and you will get ticketed if you go in them. Central La Jolla is really the place to go. Children's Pool (don't disturb seals), South Casa, Hospital Point, Marine Street and north Windansea are good spots. Boomers is for a little bit more advanced divers because of the difficult entry. You should see plenty of kelp bass, sheephead and perch. You might see seabass etc.... Know the regulations before you go and the size limits/bag limits. You can find info here:
http://www.dfg.ca.gov/marine/mapregs5.asp
KNOW before you shoot. If you aren't sure, let it go. Good luck! If you decide to join a club, look up the San Diego Freedivers and you will make a ton of friends.