Magdalen Islands (măg`dələn) or
Îles-de-la-Madeleine (ēl-də-lä-mädlĕn`), group of nine main islands and numerous islets (1991 pop. 13,991), Que., Canada, in the Gulf of St. Lawrence N of Prince Edward Island. They were discovered (1534) by Jacques Cartier. The main islands are Alright, Amherst, Brion, Coffin, East, Entry, Grindstone, Grosse, and Wolf. A hazard to navigation, the islands have been the scene of hundreds of shipwrecks. Fishing and sealing are the chief occupations of the islanders, most of whom are of French descent.