Saint-Rémi is a city in the province of Quebec, Canada. Located on the south-shore of the Saint Lawrence River and the Island of Montreal, …Saint-Rémi is a city in the province of Quebec, Canada. Located on the south-shore of the Saint Lawrence River and the Island of Montreal, Saint-Rémi is part of Les Jardins-de-Napierville Regional County Municipality, in the Montérégie administrative region. The population as of the 2021 Canada Census was 8 957.