The area of Monterey Bay National Marine Sanctuary is 15,783.388 square kilometers.
The area of Channel Islands National Marine Sanctuary is 3,807.283 square kilometers.
The area of Fagatele Bay National Marine Sanctuary is 659,637.5968512 square meters.
The area of Olympic Coast National Marine Sanctuary is 8,259.472 square kilometers.
The area of Thunder Bay National Marine Sanctuary is 1,160.315 square kilometers.
The area of Hawaiian Islands Humpback Whale National Marine Sanctuary is 3,625.983 square kilometers.
The area of Megantoni National Sanctuary is 2,158.69 square kilometers.
The area of Ampay National Sanctuary is 36.35 square kilometers.
The area of Calipuy National Sanctuary is 45 square kilometers.
The area of Tabaconas Namballe National Sanctuary is 295 square kilometers.
The area of Mejía Lagoons National Sanctuary is 6,906,000.0 square meters.
You mean like a Federal Marine Sanctuary ? Big bucks and jail time!
The area of Papahānaumokuākea Marine National Monument is 362,598.335 square kilometers.