Welcome to Diving Catalina, a year-round dive shop for scuba & snorkeling located on beautiful Catalina Island, serving Catalina, San Diego, Los Angeles & Long Beach. We want your scuba diving & snorkeling experience in the waters surrounding Catalina Island to be memorable & carefree. We offer an array of scuba dive services ranging from introductory dives for those who have never tried scuba, guided scuba tours of the Avalon Underwater Dive Park & much more.