Ona is a small, unincorporated community located in Hardee County, Florida. It is situated in central Florida, approximately halfway between the cities of Arcadia and Wauchula. The area is characterized by its rural landscape, featuring farmland, pastures, and patches of natural Floridian wilderness. It is a peaceful region with a relatively low population density. Its population was 199 as of the 2020 census.
Solomon's Castle is a unique and whimsical attraction located in Ona, Florida. It is the creation of artist and sculptor Howard Solomon, who constructed the castle as both his residence and a gallery for his art. The castle is built in a Gothic style, complete with towers, a moat, and drawbridges. The materials used were often unconventional, showcasing Solomon's talent for turning everyday items into art.