This museum is tiny, but it has some interesting information about the island. The displays are really nice and there are some great models as well. I probably wouldn't recommend people to go out of their way to see this place, but if you are in the area you should stop in. It's free and doesn't take that long.

From Ishikawajima to IHI: the Ishikawajima Archives. Wed & Sat 10〜12/13〜17, free admission. One of the Chuo City Machikado Exhibition Halls, which consist of 29 facilities. There's also an original stamp rally, and the summer vacation stamp rally & quiz is running until 8/31 (Mon). If you take the elevator up next to Rinkos, the supermarket in the semi-basement, there's a small sign on the right side of the 1st-floor lobby. I happened to find it through a Google Maps search, but I got a booklet, so it became a good chance to go around again to places that catch my interest. 📷️📹️🆖, but if you like museums, small as it is, why not visit once as part of a stroll? That's what this place makes me want to say. On the way from the station there's a tsukudani shop with a historic feel, small boats moored in the canal, and a park, so I think you'll enjoy it more if you take different routes there and back, one along modern roads and one along peaceful, somehow nostalgic streets. I expected ship models, but the armor exhibit surprised me.

A cozy little archive where you can learn the history of IHI. There's a large-scale archive in Toyosu, so I'd like to visit that too. The history of Ishikawajima-Harima Heavy Industries, IHI, from the Edo period to the present is exhibited in detail. The exhibits are overwhelmingly text-heavy, so reading them closely takes a fair amount of time. It's a good facility for learning about IHI, which has made major contributions to Japan's modern heavy industry. Photography is prohibited inside, so grab a pamphlet.

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The site of Ishikawajima, located in what is now Tsukuda, Chuo City, Tokyo, is the birthplace of modern shipbuilding in Japan. In 1853 (Kaei 6), the Ishikawajima Shipyard was founded here by Tokugawa Nariaki of the Mito Domain, and it became the parent of today's IHI (former company name: Ishikawajima-Harima Heavy Industries). Since then, IHI has consistently produced products ahead of their time in shipbuilding and various other industrial fields, walking alongside Japan's history. The Tsukuda Plant, IHI's founding site, ended its role in 1979 (Showa 54), and since then the site has continued to develop as a pioneer of Tokyo's waterfront development plan under the name "River City 21".

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It's on the 1st floor of the large office building "Pier West Square" along the Sumida River. It's open every Wednesday and Saturday, 10 a.m.～12 p.m. and 1 p.m.～5 p.m. (last entry 4:30 p.m.), and admission is free. Please note that photography inside is not allowed. It's in a hard-to-find spot, so you'll need to check the building directory. I visited on a Saturday in late January at 2:30 p.m. It presents IHI's history from the founding of its predecessor, Ishikawajima Shipyard, to the present, along with cultural materials on Ishikawajima and Tsukudajima, through dioramas and models. It was compactly organized and easy to understand. I was intrigued that the shipyard had ties to the Mito Tokugawa family.