Santa Catalina Island is a rocky island, part of the Channel Islands, off the coast of Southern California in the Gulf of Santa Catalina. The island covers an area of about 75 square miles. It features a diverse and rugged landscape, including rolling hills, canyons, coastal cliffs, and sandy beaches. The island's highest peak is Mount Orizaba, rising to an elevation of 2,097 feet. The island is 22 mi long and 8 mi across at its largest width.