Complex sentence: Last Island (Isle Derniere) was a barrier island and pleasure resort south-southwest of New Orleans on the south shore of Louisiana, that was utterly destroyed by the Last Island Hurricane of August 11,1856.
Split into simpler sentences: Last Island (also called Isle Derniere) was a barrier island and pleasure resort south-southwest of New Orleans on the south shore of Louisiana. It was utterly destroyed by the Last Island Hurricane of August 11,1856.