The city of Picayune is located in the county of Pearl River. It covers a total area of 31.0 sq. km. Industries related to advertising, aviation, household appliances, arts and crafts, automotive, boat equipments, chemical manufacturing, commercial printing, information technology, pharmaceuticals, food delivery, health, industrial and commercial machinery, metal, real estate and telecommunication, contribute to the local economy in a positive way. Commercial spaces are utilized by campgrounds, seafood restaurants and stables.