The Olympic Coast National Marine Sanctuary is one of 15 marine sanctuaries administered by the National Oceanic and Atmospheric Administration (NOAA), an agency of the U.S. Department of Commerce. Declared in 1994, the sanctuary encompasses of the Pacific Ocean along the Olympic Peninsula of Washington state, from Cape Flattery in the north, to the mouth of the Copalis River, a distance of about . Extending from the shore, it includes most of the continental shelf, as well as parts of three important submarine canyons, the Nitinat Canyon, the Quinault Canyon and the Juan de Fuca Canyon. For along the coast, the sanctuary shares stewardship with the Olympic National Park. Sanctuary stewardship is also shared with the Hoh, Quileute, and Makah Tribes, as well as the Quinault Indian Nation. The sanctuary overlays the Flattery Rocks, Quillayute Needles, and Copalis Rock National Wildlife Refuges. References External links Olympic Coast National Marine Sanctuary Climate Change and Ocean Acidification: Olympic Coast Protected areas of Clallam County, Washington Protected areas of Grays Harbor County, Washington Protected areas of Jefferson County, Washington National Marine Sanctuaries of the United States Protected areas established in 1994 1994 establishments in Washington (state)