Catalina Island, the famous island just off the coast of California, is a great getaway for vacationers. More than one million people visit the island each year to scuba dive, sightsee and just relax. For some unforgettable adventures, book one of our Catalina Island tours. Check out the islandís interior on an a guided eco-jeep tour or explore on your own during the ultimate island scavenger hunt. Other fun things to do in Catalina island are listed below.