Scientific director Julien Chalifour and Franck Roncuzzi, who is in charge of technique service and the nature police, represented the Réserve Naturelle at the annual forum for managers of protected marine zones. This was held in Saint-Gildas-de- Rhuys, in Brittany, November 6-8, 2018. The participants took part in different plenary sessions and technical ateliers over the three days of intensive dialogue and meetings. Topics included management of the public, methods to estimate the capacity of visits at a protected site, as well as the sharing of scientific resources thanks to a new tool that can be used by the network of Protected Marine Zones to share their experiences with the French Agency for Biodiversity