La Grande-Motte is a commune in the Hérault département in Occitanie in southern France. It is a popular seaside resort and port near Montpell…La Grande-Motte is a commune in the Hérault département in Occitanie in southern France. It is a popular seaside resort and port near Montpellier, built in the 1960s and 1970s. La Grande-Motte is characterized by homogeneous architecture; many of the prominent buildings are pyramidal in form. With 2 million tourists per year it is one of the favorite resorts of the French.