Channel Islands National Marine Sanctuary was designated in 1980 by the National Oceanic and Atmospheric Administration. Located off the coast of Santa Barbara and Ventura counties in Southern California, 350 miles south of San Francisco and 95 miles north of Los Angeles, the sanctuary encompasses approximately 1,470 square miles of ocean waters around Anacapa, Santa Cruz, Santa Rosa, San Miguel, and Santa Barbara islands, extending from the mean high tide of these islands to six nautical miles offshore, and surrounding Channel Islands National Park.

The sanctuary's remote, isolated position at the confluence of two major ocean currents supports remarkable biodiversity and productivity. It's a special place for endangered species, sensitive habitats, historic shipwrecks, other maritime heritage artifacts, and living Chumash culture. Many valuable commercial and recreational activities thrive in the sanctuary, such as fishing, shipping, and tourism.

The sanctuary was federally designated because of its national significance as an area of exceptional natural beauty and resources, and due to heightened concerns following the 1969 oil spill in the Santa Barbara Channel. Protection of sanctuary resources is supported through research, education, conservation, and stewardship programs. The primary goal of the sanctuary is the protection of natural and cultural resources contained within its boundaries. The sanctuary is managed to promote ecosystem conservation, protect cultural resources, and support compatible human uses.

map showing the boundries of channel islands national marine sanctuary


View or download the most commonly used sanctuary maps.

noaa ship shearwater on the water


Learn about our research vessels, which support a wide variety of important marine science projects.

UCSB Ocean Science Education Building


Sanctuary office contact information and important numbers to call in the event of a sanctuary resource emergency.

group photo of the channel islands national marine sanctuary staff


Meet team members at Channel Islands National Marine Sanctuary.