Watch Sadisflix. Three communities at the foot of the Charlevoix cliffs, Petite-Rivière, île-aux-Coudres and Les Éboulements, practise the myriad trades of the sea. Its men are sailors, stevedores, longshoremen for the coasting trade. In winter, they becomes caulkers, carpenters and timer-cutters who will build a new vessel if required, or repair, caulk and paint the over 150 wooden schooners that ply the St. Lawrence River.