Single lots for sale 5370 Pioneer 19th ST or 5455 Pioneer 20th ST for $72,500.00. Each lot is about 2.5 acres.Two lots for sale in Pioneer Clewiston County, Fla. aprox total 5 acres for two lots. Purchase 5375 Pioneer 20th ST and 5455 Pioneer 20th ST or 5375 Pioneer 20th ST and 5370 Pioneer 19th ST for $145,000, or all three lots for $210,000. There is improved lots next to and around these lots. The picture with the numbered lots 1. 5370 Pioneer 19th ST 2. 5375 Pioneer 20th ST 3. 5455 Pioneer 20th ST.