Kienstra, Mississippi  Kienstra (also Kienstra Store) is a ghost town located in Adams County, Mississippi, United States. South of the town was Kienstra Landing, located on the Mississippi River. The community was situated on a barren peninsula called "Jackson Point", at a bend in the river called "Palmetto Bend", named for the palmetto plant which grew abundantly in the hardwood swamps across the river in Louisiana. Kienstra had a post office from 1871 to 1957. The Morrisana Plantation was located at Kienstra. North of the town, midway to Arnot, was the Kienstra School. The "Kienstra Store Light" was a navigation beacon on the river, located near the landing as early as 1879. In 1900, Kienstra had a population of 35.