Olympic Coast National Marine Sanctuary was created in 1994.
The area of Olympic Coast National Marine Sanctuary is 8,259.472 square kilometers.
Monitor National Marine Sanctuary was created in 1975.
Cordell Bank National Marine Sanctuary was created in 1989.
Fagatele Bay National Marine Sanctuary was created in 1986.
Florida Keys National Marine Sanctuary was created in 1990.
Gulf of the Farallones National Marine Sanctuary was created in 1981.
Monterey Bay National Marine Sanctuary was created in 1992.
Channel Islands National Marine Sanctuary was created in 1980.
Stellwagen Bank National Marine Sanctuary was created in 1992.
Gray's Reef National Marine Sanctuary was created in 1981-01.
Hawaiian Islands Humpback Whale National Marine Sanctuary was created in 1992.
The area of Channel Islands National Marine Sanctuary is 3,807.283 square kilometers.