The Archipelago of Lake Saint Pierre counts 103 islands in the western part of Lake Saint Pierre, in Quebec, in Canada. There are two groups: Islands of Berthier to the north and the islands of Sorel to the south. The shores of this archipelago has twenty-two coastal villages. Around 2600 people were living on those islands in 2011. Islands Dupas and Saint-Ignace-de-Loyola are partially urbanized. The majority of the other islands are used for agriculture and grazing farm animals.