The Fort Boyard is a key element of the Naval Dockyard of Rochefort which extends all along the estuary of the Charente.
If the construction of this fortification on the "Longe de Boyard" was considered as early as the seventeenth century, the project only really started in the course of the 19th century. Built to protect the harbor, the mouth of the Charente and especially the large dockayrd of Rochefort from the assaults of the English navy, it was transformed into a prison a few years after its completion.
The fort has been classified as historic monuments since 1950.
Since 1990, Fort Boyard is the location of a television game of the same name.
Located between the islands of Aix and Oléron, the Fort Boyard is in the territory of Rochefort-Océan.
Numerous departures of cruises to bypass it from Port-des-Barques, Fouras-les-Bains, Rochefort.