← Things to do with kids in Seattle

Event · STEM & discovery

Halloween at the Aquarium

When
Sat, Oct 31 · 9:30 AM–5:00 PMSaturday, October 31, 2026, 9:30 am–5 pm
Where
Seattle Aquarium1483 Alaskan Way, Pier 59, Seattle, WA 98101Open in Google Maps ↗
Ages
Check age guidance
Cost
Included with regular Aquarium admission (date-based pricing, not printed); kids 3 and under free.
Organizer
Seattle Aquarium

Seattle Aquarium's Halloween day: trick-or-treat around the habitats for candy or a non-snack prize while learning about marine life, a story time, underwater pumpkin carving by divers with a vote for favorites, a pumpkin-carving demonstration by Russ Leno, a scavenger hunt using x-rays of familiar animal faces, and a Halloween menu at the café. Costumes are welcome. A regular admission ticket includes all event activities plus the Aquarium's three buildings including the Ocean Pavilion.

Register on the official site ↗
Official sources checked2026-10-13

Published details checked online. Contact responsiveness and live booking availability have not been confirmed.

What was checked & what still needs confirmation

The visit page lists the event as Oct 31, 2026, 9:30 am–5 pm; the event page gives the date and refers to regular hours.