Catalina Island
The highest point on the island is Mount Orizaba (2,097 ft or 639 m). Geologically, Santa Catalina is part of the Channel Islands of California archipelago and lies within Los Angeles County. Catalina Island is the easternmost of the Channel Islands. Politically, Catalina Island is part of Los Angeles County in District 4. Most of the land on the island is unincorporated (governed by the county) with 90% of the population living in the city of Avalon.