Nigadoo is a community and former village in Gloucester County, New Brunswick. It held village status prior to 2023 and is now part of the town of Belle-Baie. Nigadoo is located at the mouth of the Nigadoo River on Nepisiguit Bay, 15 km northwest of Bathurst and adjacent to Beresford.

Belle-Baie is a town in the Canadian province of New Brunswick. It was formed through the 2023 New Brunswick local governance reforms.