Quiberon   Quiberon which is at the southern tip of the isthmus joining it to the mainland is a very popular tourist resort particularly for the French who arrive in large numbers in July and August. It has splendid south facing beaches making it a delightful place to relax for a few days.   There are regular ferry services between Quiberon and Belle Ile (Beautiful Island) and some of the other small islands lying off the coast. The peninsula Itself has some of the best stretches of sandy beaches to be found in Brittany and like Quiberon, is very popular with both the French and foreign visitors. Belle IIle This is the largest of the Breton Islands with a population of around 4500 and measuring 18km by 5km with 80km of coastline. Its 4 main towns are Le Palais, Sauzon, Locmaria and Bangor. The island is an extremely popular tourist resort, attracting many well known French Stars and politicians as well as visitors from around the world. The north coast offers a large number of sandy beaches whilst the south coast offers a more rugged coastline with spectacular rock formations and caves some of which may be explored at low tide. Le Palais, the island's main town is the site of the Vauban Citadel, a fortification dating from the mid 16th century and now housing the historical museum. Several ferries a day leave from Quiberon and Nantes. The local tourist office has details of walking and car tours