Côte du Sud B&B Association
- Information about lodging available in Montmagny, L'Islet-sur-Mer and Saint-Jean-Port-Joli, with a brief description of the area.
- http://www.bbcanada.com/associations/cotedusud/

Association Touristique Chaudière-Appalaches
- Provides tourism information about the region, featuring attractions and cultural sites, theatres and events, accommodation, maps, sports and recreation.
- http://www.chaudiereappalaches.com/

PÔLE Québec Chaudière-Appalaches
- Provides economic development resources, economic development innovations and business coaching to increase competitiveness. Lists business services and activities of the organization.
- http://www.pole-qca.ca/index_en.php

Cumberland Maple Farms
- A manufacturer of fine maple syrup and candies. Provides an illustrated catalog of gift items.
- http://www.cumberlandinc.com/

Montmagny City and Area
- Gives an overview of the Côte du Sud tourist area including the cities of Montmagny, Cap Saint-Ignace, L'Islet-sur-Mer, Saint-Jean-Port-Joli and Saint-Roch des Aulnaies.
- http://www.quebecweb.com/montmagny/introang.html