Located in the village of Conches, Plage des Conches is the largest beach in Longeville sur Mer. A popular beach, with fine golden sand and frequented by many naturists, Plage des Conches is bordered by imposing dunes. The naturist area is to the south.

When heading away from the main access the beach quickly becomes wild. In the northern section of the beach are several campsites. Going south, the beach changes its name and is called Bud Bud beach. This area is one of the most famous surf spots in the Vendée.