Halloween 2026 at SEA LIFE Val d’Europe: puzzles among the tanks

At SEA LIFE Paris Val d’Europe in Serris, Halloween unfolds among the tanks. Until November 2, 2026, the aquarium is offering children a puzzle trail populated by pirate skeletons and mermaids. It’s an activity to enjoy during your visit, at no extra cost beyond the admission ticket.

The game is handed out on arrival. Families then make their way from one area to the next, solving riddles and spotting characters placed throughout the aquarium. Participants receive a treat on their way out. The Halloween trail is therefore part of the aquarium visit, rather than a show held at a set time.

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The aquarium, located in the Val d’Europe shopping centre, celebrates its 25th anniversary in 2026. Visitors can explore several aquatic environments, from the Amazon to Antarctica, and see sharks, green sea turtles, rays and penguins. It’s a chance to alternate between hunting for clues and taking breaks in front of the tanks.

The Halloween game and the tasty reward are included with admission. The official ticket office lists adult tickets, for ages 15 and up, from €20 online, depending on the date selected, or €25 at the entrance. Online tickets are dated and assigned to a visit time slot.

For more ideas for outings, check out our family activities during the All Saints’ Day holidays and the Halloween events in Paris and Île-de-France.

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