A person may not fish with any kind of seine or net in the waters of Chaptico Bay and the Wicomico River within the limits of St. Mary’s County, within 1500 feet of any established duck blind during the open season for shooting ducks or other wild fowl. A person may not set a fish trap, net, or haul seine in the waters of St. Catherine’s Sound in St. Mary’s County. However, a gill net not exceeding a length of 90 yards is permitted.