Santa Cruz Island is the largest of the eight islands in the Channel Islands of California, located off the coast of California. The island, in the northern group of the Channel Islands, is long and from wide with an area of . Santa Cruz Island is located within Santa Barbara County, California. The coastline has steep cliffs, gigantic sea caves, coves, and sandy beaches. Defined by the United States Census Bureau as Block 3000, Block Group 3, Census Tract 29.10 of Santa Barbara County, the 2000 census showed an official population of two persons. The highest peak is Devils Peak, at 2450+ feet (747+ m). It was the largest privately owned island off the continental United States but is currently part-owned by the National Park Service (NPS owns 24%, and the Nature Conservancy owns 76%).