I found the visitor's bureau to be very helpful. They have lots of information on the island and the various tours that are available A word of caution though - a lot of the tours sold on the island are over-priced and lock you into what they think you need to see. I found self-exploration of the island to be the best way to go. You can stop where you like and take as long as you need. Only problem is that as a tourist you are limited on where you can go on foot or on a bicycle. Lots of places do not allow golf carts either. So you are stuck with having to take the highly priced tours if you want to see the inside and other side of the island. It is a gorgeous island but also quite pricey.
If you own or manage Catalina Island Visitors Bureau, register now for free tools to enhance your listing, attract new reviews, and respond to reviewers.