NA-168 Louisiana State South East (Lafourche to Plaquemines Parish) group
Grand Isle (French: Grande-ÃŽle) is a town in Jefferson Parish, Louisiana, United States, located on a barrier island of the same name in the Gulf of Mexico. The island is at the mouth of Barataria Bay where it meets the gulf. As of the 2010 census, the town's resident population was 1,296