Horn island is a small island about 10 km offshore from biloxi, mississippi, that is about 20 km long and 1 km wide. what are features like horn island called?

Horn Island based from its Geography is a long, thin barrier island. It has a long beach located on the south side of the Guld of Mexico. It serves as a boundary between the north and south areas of the Mississippi Sound. The Island contains long stretches of sugar-white sand, tall pines, and some inland lagoons that support wildlife both in land and in water.