Located in Quimper, France, Quai n°3 functions as a third place focused on community development and ecological transition programs. The organization coordinates Service Civique volunteer missions spanning eight months, centered on sustainable practices and environmental education. Their workshop series and collaborative projects engage local residents in hands-on community initiatives. The center maintains active partnerships with professional development organizations including CEHAPI, facilitating dialogue among regional cadres. Their networking hub connects professionals across sectors while providing structured training pathways for members. The space serves as a meeting point for organizations working in social action and environmental sustainability. Quai n°3 structures its programming around three core areas: civic engagement, ecological education, and youth development. Service Civique participants gain practical experience leading community workshops and environmental projects. The organization's model combines social action with sustainability goals through structured volunteer opportunities and collaborative community programs.