The village of Gassin extends in the heart of the Saint-Tropez peninsula. It has no buildings listed as Historical Monuments but thirty-one places and monuments listed in the general inventory of cultural heritage as well as ten objects - all located in the parish church of Notre-Dame-de-l'Assomption - listed in the inventory of Historical Monuments. Gassin's cultural heritage notably comprises the remains of a medieval tower erected in Rue de la Tasco, the oldest in the village, the Porte des Sarrasins at the entrance to the municipality, Notre-Dame-de-la-Compassion Chapel, the fortified village, and the Brûlat mill.