Arnold's Cove (2016 Population 949) is a town on Newfoundland's Avalon Peninsula in the province of Newfoundland and Labrador, Canada. It is in Division 1 on Placentia Bay. The name is found in population returns of 1836, and may have been given after the forename of a fisherman.In 1864 there was one family, and by 1893 there was a post office. It was a fishing settlement located approximately two kilometers from the Newfoundland Railway, located 35 miles from .