By train from Paris. To get there you should take a TGV-Express from Gare de Montparnasse that will bring you to Auray town, where there is a connection with a bus directly to Quiberon (in July and August there is a train from Auray to Quiberon). In order to find a bus stop you should leave the railway station and go to the right, it is situated a bit aside.
The tickets for the whole road can be bought on the Montparnasse railway station (the approximate price for return ticket - €135/person, people younger than 25 y.o. get a price reduction). Before getting into the train you should stamp your ticket in a yellow machine that are situated a bit aside from the platforms. It is also possible to buy a ticket only to Auray and to pay there to the bus driver on-site. The duration of one way is 4:55.
Matthews Holidays, ☎ 0044 1483 285213, . Mobile Home holidays to 4* & 5* beachside campsites throughout France. Camping le Conguel is located on the tip of the Quiberon peninsula, with a great beach just 200 yards from the campsite gates. edit
There are a lot of small hotels and houses with apartments to be rent alongside the coast.
Résidence Maeva Ker Avel, 98 bis, rue du Port de Pêche, ☎ +33 (0) 1 58 21 58 21 (fax: +33158215049), . The apartment house is situated not far from the center, beach and port. The apartments are well-equipped, but too small for 4 persons (this number of people is indicated in the description of the apartments). There is a living-room (with a double sofa) that is also a sleeping-room and a kitchen, one passage with a two-level bed at the entrance and one bathroom. €39 (December 2007).edit