Atlantic Canada , also known as the Atlantic provinces , is the region of Canada which is made up of four provinces located on the Atlantic coast : the three Maritime provinces â `` New Brunswick , Nova Scotia , and Prince Edward Island â `` and Newfoundland and Labrador . Atlantic Canada is the region of Canada comprising the four provinces located on the Atlantic coast , excluding Quebec : the three Maritime provinces â `` New Brunswick , Prince Edward Island , and Nova Scotia â `` and Newfoundland and Labrador .