NA-M022 => USA East Coast and Bahamas Coverage of the United States Atlantic coast from Passamaquoddy Bay, ME down to Key West, FL, with extended coverage into the Gulf of Mexico over to Perdido Bay, FL. Includes coverage of Bermuda and all of the Bahamas. Also includes coverage of the Hudson River, Lake Champlain, Erie Barge Canal, Savannah River, St John's River and Okeechobee Waterway. Caribbean coverage includes charts from Explorer Chartbooks and Wavey Line Publising This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.