First in Japan! Rilakkuma Collaborates with Aquarium for 'Rilakkuma x Joetsu Municipal Aquarium Umigatari' Event
San-X Co., Ltd. announced a collaboration between 'Rilakkuma' and the Joetsu Municipal Aquarium 'Umigatari,' which celebrates its 8th anniversary. The event, running from June 26 to September 23, 2026, features aquarium exhibits, a stamp rally, limited-edition merchandise, and special themed menus.
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San-X Co., Ltd. announces the 'Rilakkuma x Joetsu Municipal Aquarium Umigatari' collaboration event, running for a limited time from June 26 (Fri) to September 23 (Wed/Holiday), 2026, at the Joetsu Municipal Aquarium 'Umigatari' (Joetsu City, Niigata Prefecture) in celebration of its 8th anniversary.
This marks the first-ever collaboration between Rilakkuma and an aquarium, offering visitors a unique experience that blends the world of Rilakkuma with the marine life of 'Umigatari.'
● Japan's First Rilakkuma Aquarium Collaboration
'Umigatari' celebrates its 8th anniversary on June 26, 2026. The collaboration features the 'Umi-Rila Kibun' (Ocean Rilakkuma Mood) theme, highlighting the aquarium's marine life through the lens of Rilakkuma’s laid-back world.
● Collaboration Highlights
1. Discover Marine Life with Rilakkuma: Original explanatory panels featuring Rilakkuma designs will be installed in the 1st-floor event hall.
2. Rilakkuma Original Panels: Limited-edition Rilakkuma-themed educational panels will be placed throughout the aquarium.
3. Photo Spots: Character panels and plushies perfect for photos will be set up throughout the facility.
4. Stamp Rally: Visitors can participate in a stamp rally. Collecting all 5 stamps yields a random original acrylic keychain (5 types available). Fee: 600 yen (tax included).
● Exclusive Merchandise: The 1st-floor shop, 'Museum Shop Regalo,' will sell 'Umigatari' original goods featuring Rilakkuma, including stationery, sweets, and miscellaneous items.
● Collaboration Menu: The 1st-floor restaurant, 'Ristorante Los Cuentos del Mar,' will offer 6 special collaboration items, including lunch plates and sundaes.
This marks the first-ever collaboration between Rilakkuma and an aquarium, offering visitors a unique experience that blends the world of Rilakkuma with the marine life of 'Umigatari.'
● Japan's First Rilakkuma Aquarium Collaboration
'Umigatari' celebrates its 8th anniversary on June 26, 2026. The collaboration features the 'Umi-Rila Kibun' (Ocean Rilakkuma Mood) theme, highlighting the aquarium's marine life through the lens of Rilakkuma’s laid-back world.
● Collaboration Highlights
1. Discover Marine Life with Rilakkuma: Original explanatory panels featuring Rilakkuma designs will be installed in the 1st-floor event hall.
2. Rilakkuma Original Panels: Limited-edition Rilakkuma-themed educational panels will be placed throughout the aquarium.
3. Photo Spots: Character panels and plushies perfect for photos will be set up throughout the facility.
4. Stamp Rally: Visitors can participate in a stamp rally. Collecting all 5 stamps yields a random original acrylic keychain (5 types available). Fee: 600 yen (tax included).
● Exclusive Merchandise: The 1st-floor shop, 'Museum Shop Regalo,' will sell 'Umigatari' original goods featuring Rilakkuma, including stationery, sweets, and miscellaneous items.
● Collaboration Menu: The 1st-floor restaurant, 'Ristorante Los Cuentos del Mar,' will offer 6 special collaboration items, including lunch plates and sundaes.
FAQ
「リラックマ×上越市立水族博物館 うみがたり」はいつからいつまで開催されますか？
2026年6月26日（金）から9月23日（水・祝）までの期間限定で開催されます。
このイベントはどのような内容ですか？
館内各所にリラックマのオリジナル解説パネルや撮影スポットを設置し、スタンプラリーを実施します。また、限定オリジナルグッズの販売やコラボメニューの提供も行われます。
スタンプラリーの参加費用と特典は？
参加費は600円（税込）です。スタンプを5種類集めると、ゴール記念としてオリジナルアクリルキーホルダー（全5種からランダム）がプレゼントされます。
レストランやミュージアムショップは入館料が必要ですか？
レストランの利用には入館料は不要ですが、水族館の館内エリアへの入場には別途入館料が必要です。
リラックマと水族館のコラボは以前にもありましたか？
リラックマが水族館とコラボイベントを実施するのは今回が初めてです。