Associação Desportiva, Cultural e Social de Aldeia de S. Sebastião is a community association serving Aldeia de São Sebastião through sporting, cultural and social initiatives. Its website shares information about the association, local news and activities, and practical details such as directions and contact information. The organization’s facilities and services include a residential home for older people and a social support service offering guidance and assistance. Visitors can also find information about bungalows and local gastronomy, reflecting the area’s role as a meeting point for different cultures and experiences.

Sport and community participation are central to the association’s activities. In partnership with the Guarda Tennis Academy, it has organized an amateur tennis tournament that forms part of the district tennis circuit. Its program has also included an international work camp focused on caring for the village, alongside community events and association meetings. Through these services and activities, the association supports local social life, promotes opportunities for recreation and connection, and helps keep residents and visitors informed about what is happening in Aldeia de São Sebastião.