Chumashan (English name from čʰumaš , meaning "Santa Cruz Islander") is a family of languages that were spoken on the southern California coast by Native American Chumash people, from the  Coastal plains and valleys of San Luis Obispo to Malibu, neighboring inland and  Transverse Ranges valleys and canyons east to bordering the San Joaquin Valley, to three adjacent Channel Islands: San Miguel, Santa Rosa, and Santa Cruz.