🇺🇸 Caseyville, United States

Caseyville is a small city located in St. Clair County, Illinois, United States. It has a population of around 4,200 people. While Caseyville is not directly situated along a major body of water, it is within close proximity to the Mississippi River, which provides access for seafarers, shipowners, and crewing companies. The city does not have any notable ports, shipyards, or factories producing ship parts.