Due to Paralytic Shellfish Poisoning (PSP) toxin (also known as “Red Tide”) in shellfish, the Division of Marine Fisheries is closing the entire Nauset Marsh System, including Nauset Marsh, Town Cove, and Salt Pond, to the harvest of all shellfish. To stay updated on closures, and to view a map of closed areas, please visit our website: Eastham Shellfish Closure Notice.