Coast Guard Station Merrimack River Tags: Military Structure.United States Coast Guard Station Merrimack River is a United States Coast Guard station located in Newburyport Massachusetts. It is one of the 20 surf stations in the Coast Guard. Its primary missions include search and rescue and law enforcement. thumbnail point location Newburyport Massachusetts, Coast_Guard_Station_Merrimack_River__location__1 owner United States Coast Guard latitude 42.8105 longitude -70.8649 Learn more... Loading...