Grande-Île (French pronunciation: [ɡʁɑ̃d il], lit.

The island is mostly occupied by the city Salaberry-de-Valleyfield.

Part of the Hochelaga Archipelago, the island connects the Beauharnois-Salaberry and the Vaudreuil-Soulanges regions over the Saint Lawrence River via the Pont Monseigneur Langlois.

Grande-Île was also the name of a municipality on the island which merged with Salaberry-de-Valleyfield on January 1, 2002.

This Montérégie location article is a stub.