We went with Danawharf.com twice last week.
Amazing trip, 2 hours on a catamaran. We saw a blue whale each time, lots of dolphins and a couple of fin whales. Tuesdays are 1/2 price and the first time out was so unbelievable that we booked for the following Tuesday.
Full price it's $39/adult $29/kids.
It took a little over 1/2 hr from Anaheim.
I'd post pictures but can't seem to find the cord to connect to the computer.