Template:Wp-Grand Isle, Louisiana

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Grand Isle is a town in Jefferson Parish in the U.S. state of Louisiana, 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. The town of Grand Isle is statistically part of the New Orleans−Metairie−Kenner metropolitan statistical area, though it is not connected to New Orleans' continuous urbanized area.

The population was 1,005 as of the 2020 U.S census, down from 1,296 from the previous 2010 U.S census.

Grand Isle's main street is the seaside start of Louisiana Highway 1 (LA 1), which stretches away to the northwest corner of the state, ending near Shreveport. LA 1's automobile causeway at the west end of the island is the only land access to or from Grand Isle. Direct access to Grand Isle's seat of parish government is away in suburban Jefferson Parish.