Houat is a French island off the south coast of Brittany in the department of Morbihan. It is located, along with two other major islands, in the entrance to the Baie de Quiberon. Its "twin sister" island is Hoëdic. The island is mostly granite cliffs except for a long beach lined with dunes on the eastern coast.

• Telefoon +(0)2 97 30 68 04
• E-mail mairie-houat@wanadoo.fr
• Adress Quai de Belle Île - Quiberon | route du Port - Île-d'Houat, 56170 Quiberon
• Website http://www.mairiedehouat.fr/