Marukin Soy Sauce Memorial Museum

The Marukin museum helps explain why soy sauce is part of Shodoshima’s landscape. The company’s former factory, built in the early twentieth century, was converted into a museum in 1987; its timber structure and gassho-style roof are registered as a tangible cultural property. The exhibits present the industry through tools, vats and ingredients rather than as an abstract process: panels follow soybeans, wheat, salt and fermentation as they become shoyu.

The visit ends at a shop selling local products and the well-known soy-sauce soft serve, whose flavour has a salted-caramel quality. On selected dates, the museum also offers a hands-on moromi-pressing experience with a small manual press and tasting; the official site lists two sessions a day and asks visitors to register before they begin. Fermentation storehouses and other producers are only a short distance away, so the museum can anchor a walk through Hishio-no-Sato, the former brewing district.

Visitor comments appreciate the wooden architecture, the distinctive aroma of the area, the production explanations and the chance to try the soft serve. Some expected a more interactive visit or a working production floor, an important distinction: Marukin is an interpretive museum and shop here, while other producers offer tours of active brewing houses. For a first introduction, its panels and historic tools provide context before comparing flavours at nearby shops.

Official admission is ¥500 for adults and ¥250 for primary-school children. Regular hours are 9 am–4 pm; from 16 October to 30 November 2026, it is open until 4:30 pm, with specific closure dates published. The Sakate Line Olive Bus stops at Marukin-mae, directly outside; by car, it is about three minutes from Sakate Port and twenty minutes from Ikeda Port. Island buses may run infrequently, so check the return timetable before starting the route.