Coriolis II is a Canadian research vessel.She is homeported in Rimouski, Quebec. She is operated by a consortium of five institutions:Institut des sciences de la mer à Rimouski (ISMER), the Université du Québec à Montréal (UQAM), McGill University, the Institut national de la recherche scientifique - Eau, terre et environnement (INRS-ETE) and the Maurice Lamontagne Institute (MLI-DFO). The vessel was built in 1990 for the Canadian Coast Guard. The vessel is 50 metres long, and berths 22.The vessel's research efforts currently lies between Île d'Orléans and the Cabot Strait.