Grande Ecaille is an island located in the parish of Plaquemines, Louisiana, United States. It is in Lake Grand Ecaille. It was the site of a sulphur factory operated by the Freeport Sulphur Company and built in 1933.
Geography
The island is located at , approximately west of Port Sulfur and 71 kilometers from New Orleans. It is only above sea level, making it an area prone to flooding. ==References==