High Quality Content by WIKIPEDIA articles! California State University Channel Islands (CSUCI, known informally as CI) is a four-year public university located in Camarillo, California, United States, in Ventura County. CSUCI opened in 2002 as the 23rd campus in the California State University system, succeeding the Ventura County branch campus of CSU Northridge. The campus had formerly been the Camarillo State Mental Hospital and has been the setting for various movies and music videos. CSUCI is located midway between Santa Barbara and Los Angeles in Camarillo, California, just north of the Santa Monica Mountain range. Despite its name, the campus is not located on the Channel Islands.