A national marine sanctuary is ocean or Great Lakes areas set aside for conservation, managment and education.
Today, our marine sanctuary system encompass deep ocean gardens, nearshore coral reefs, whale migration corridors, deep sea canyons, and even underwater archeological sites. The sites range in size from one-quarter square mile in Fagatele Bay, American Samoa to more than 135,000 square miles in the Northwestern Hawaiian Islands, the largest marine protected area in the world.
Ricketts Point Marine Sanctuary was created in 2002.
Monitor National Marine Sanctuary was created in 1975.
any other marine sanctuary
Stellwagen Bank National Marine Sanctuary was created in 1992.
Olympic Coast National Marine Sanctuary was created in 1994.
Gulf of the Farallones National Marine Sanctuary was created in 1981.
Channel Islands National Marine Sanctuary was created in 1980.
Florida Keys National Marine Sanctuary was created in 1990.
Fagatele Bay National Marine Sanctuary was created in 1986.
Monterey Bay National Marine Sanctuary was created in 1992.
Cordell Bank National Marine Sanctuary was created in 1989.
The area of Channel Islands National Marine Sanctuary is 3,807.283 square kilometers.