Saint-Lambert is an off-island suburb of Montreal, Quebec, located on the south shore of the St. Lawrence River. It was home to 21,555 people according to the Canada 2011 Census.Saint-Lambert is divided into two main sections: the original city of Saint-Lambert and the Préville neighborhood. The original city of Saint-Lambert (as it existed prior to 1969) is located from the Country Club of Montreal golf course to the border of Le Vieux-Longueuil borough.