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Shimonoseki City Aquarium Kaikyokan
下関市, 山口県
Address: 6-1 Arukapoto, Shimonoseki, Yamaguchi, Japan
Kaikyokan stands on the Kanmon Strait waterfront in Shimonoseki, Yamaguchi, and drew renewed attention when it reopened after renovation in August 2025. Shimonoseki is nationally famous as Japan's fugu capital, and the aquarium leans into that identity with the 'Fuku Zone,' home to the world's largest collection of pufferfish species on display. It also features the large-scale Penguin Village, a rare combined dolphin-and-sea-lion presentation, and Japan's only full blue whale skeleton. With the strait scenery just outside, the visit feels strongly rooted in place rather than interchangeable with a generic city aquarium.
- World's Largest Pufferfish Collection (Fuku Zone)
- Penguin Village (one of Japan's largest penguin exhibits)
- Dolphin and Sea Lion Presentation
- Renovated 2025
- Admission
- Adult ¥2,500 / Child ¥1,200
- Hours
- 9:30–17:30 (last admission 17:00)
- Access
- About 5 minutes by bus from JR Shimonoseki Station to Kaikyokan-mae.
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