boundaries of Channel Islands National Park, The Nature Conservancy portion of the island does not belong to the park. A transfer of 8,500 acres (34 km) from the Nature Conservancy to the park was completed in 2000.
Channel Islands National Park owns and operates approximately 24% of Santa Cruz Island. The remaining land is managed by a combination of organizations which includes The Nature Conservancy, the University of California Field Station, and the Santa Cruz Island Foundation