Noirmoutier is an island located off the west coast of France, part of the Vendée department. It is known for its beautiful beaches, salt marshes, and charming villages. The island is connected to the mainland by a bridge and a causeway that is submerged at high tide, making it a unique destination for visitors. The island's economy is primarily based on tourism, fishing, and agriculture, particularly the production of sea salt. Noirmoutier is also famous for its potatoes, known as "Bonnotte," which are highly prized for their flavor. The island's rich history includes ancient fortifications and the picturesque Noirmoutier Castle.