Shōdoshima is a town in Kagawa Prefecture, Japan, with a population of 13,646. The town was established in 2006 and covers various ports and communities on the eastern half of Shōdoshima, the second-largest island in the Seto Inland Sea. Shōdoshima is roughly halfway between the much larger islands of Shikoku to the south and Honshu to the north, and has a mild and relatively dry climate. Soy sauce production, which flourished through the early 20th century, remains a major industry.