Santa Catalina Island

Santa Catalina Island, or just Catalina Island, is an island in California near Los Angeles. The main town is Avalon.
The island is 22 miles (35 km) long and eight miles (13 km) wide. The highest point on the island is Mt. Orizaba (2126 feet or 648 meters). In 2000, there were 3,696 persons living there. 
The first people who lived there were American Indians named "Tongva". In 1919, William Wrigley, Jr., who sold chewing gum, bought the island. When he died he gave it to a trust.
The island has many plants and animals that live nowhere else on Earth. According to the National Resources Defence Council, Avalon Beach is one of the dirtiest beaches in the United States.