Grand Ecaille, Louisiana
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 Freeport Sulphur Company 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

 
Unincorporated communities in New Orleans metropolitan area
Unincorporated communities in Louisiana