The Great Sand Beach is a beach convex unique in Europe ie sand described an arc around the tip of the island.
It was located at the foot of Vacation Village 80 years until it moves north.
Since 1989, the beach Great Sand exchange effect of place, ten meters each year.
Combined actions of wind and swell from the south / west, widening Courreaux (the 6 km stretch of sea separating Groix and Port Louis) ... Scientists seek an explanation for the instability of sand.
Yet the phenomenon is not new: since the seventeenth century, maps of the island reported the Great Sands at different locations on the coast!