Like many municipalities in the south of the Var department and on the Saint-Tropez peninsula, Gassin largely thrives on summer tourism. It benefits from the international fame of its neighbor Saint-Tropez, detached from the seigneury of Gassin at the end of the Middle Ages, and from the remarkable point of view that its situation at 659 ft (201 m) above sea level offers over the whole eponymous gulf. The amputation of the districts of Cavalaire and La Croix Valmer, established as municipalities in 1929 and 1934, as well as the previous handover of a large strip of coastline to the locality of Cogolin, however, deprived Gassin of particularly touristic coastal areas.