The Pays de Cocagne Sustainable Development Group (GDDPC) is a non-profit organization which works in the Cocagne Bay and River Watershed, in South-East New Brunswick, Canada. Managed by a Board of volunteers, the PCSDG works with communities since 2000. Grande-Digue, Cocagne, Notre-Dame, Irishtown and Grand Saint-Antoine are part of the territory. It is made up of 3000 primary residences and many summer residences.

The GDDPC programs aim for a holistic sustainable development of the territory and offers opportunities for citizens to manage their environment. The GDDPC acts as a catalyst for the sustainable development of the community. It puts together programs to improve the quality of the environment and the quality of life of the residents of the Cocagne River Watershed.