Coastal passenger traffic is assumed by Compagnie Corsaire.
They offer different destinations: Dinard/Saint-Malo crossing and in summer, Cézembre island, discovery of the Bay, fishing in sea and Chausey island.
They also offer excursions on Rance river. They arm several passenger boats visible Cale de Dinan in Saint-Malo, at the maritime station of "La Bourse" or in Dinard.
With Chateaubriand II, Croisières Chateaubriand propose cruises on Rance river
with possibility to have lunch on board. Its pier is located near the tidal power station on the Rance river.