Affiliated to the French Federation of Undersea Studies and Sports, Saint-Cast plongée is an approved 'Jeunesse et Sports' (Youth and Sports) club. Our philosophy: to facilitate the exploration of underwater sites in the Bay of Saint-Cast in a friendly atmosphere, in compliance with the relevant legislation with safety as a priority. Year-round, trips out to sea every weekend. Introduction to diving in the sea or in a pool during July and August (Cap Armor). Lessons in the swimming-pool on Fridays at 8.30 p.m. from October to May.