The Fédération Française d'Études et de Sports Sous-Marins (FFESSM) is the official federation for underwater diving, apnea, whitewater swimming, cave diving, and fin swimming in France. Whether you're a beginner or an experienced diver, FFESSM offers resources, training, and a community to enhance your underwater adventures. Explore the depths safely and skillfully with our expert guidance and programs designed to promote aquatic sports and education.