Erdeven - An Ardeven

Erdeven (Breton: An Ardeven) is a commune in the Morbihan (Breton: Mor-Bihan) department in Brittany. This is a popular tourist area. Between Plouhinec and the peninsula of Quiberon, Erdeven has 8 km (5 miles) of sandy beaches  and areas of wild untamed Atlantic coastline. There are five beaches in Erdeven, of which Kerhillio is the more popular with a supervised water activities area. To the north is the beach Kerminihy. Known for its dunes in particular the area of Gavres-Quiberon. The coast also offers more private and less crowded beaches. There are a number megalithic sites that can be visited in this area, including the Allignment de Kerzerho and a series of standing stones and burial chambers. 

Wonderful views of Belle-Île-en-Mer (Breton: ar Gerveur or Guedel) can be seen from this area of coast.  This is the largest of Brittany's islands, measuring 17 by 9 kilometres (10.6 by 5.6 miles) with an area of about 84 square kilometres (32 square miles). The coasts of the island are a mixture of cliffs on the southwest side, the Côte Sauvage, and the quieter beaches, the largest being les Grands Sables. The two main ports are Le Palais, which can be reached by ferry from Quiberon, Port-Navalo and Vannes and Sauzon accessible by ferry from Quiberon and Lorient.

Link: The tourist board of Erdeven - Baie de Quiberon