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Masks are encouraged during your visit. | Plan Your Visit

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After Hours: Halloween!—SOLD OUT

After Hours: Halloween!—SOLD OUT

Where Seattle Aquarium

When Wednesday, October 26, 2022 at 6:30-9:30pm

This event is sold out! Sign up for our email list to be notified about future After Hours events.

Put on your coolest costume and head down to our Halloween bash! Adults will take over the Seattle Aquarium for this 21+ event, featuring a DJ, opportunities to experience our habitats at night, a variety of Halloween-themed activities throughout the Aquarium, a no-host bar, food available for purchase and more. The best part? Your ticket purchase helps support our animal care and marine conservation work.

We're offering plan-ahead pricing for this event, which means that the farther in advance you purchase your tickets, the more you'll save—so grab yours today! Prices will increase as the event date approaches. Please note: Tickets are available online only—no tickets will be sold at the door. Limited coat rack available.

Seattle Aquarium members receive a 10% discount on tickets! Log in to your membership account or email to get the promo code.

Collage of a Halloween jack-o-lantern, two adults wearing Halloween costumes, and a fur seal with its mouth open.

Event Activities

Life on the Edge habitat

How low can they go?
Find out who lives very deep in our ocean and how they survive there.

Is it/isn’t it: fact or fiction? 
Test your knowledge about marine life and our ocean environment.   

How deadly is my venom?
Learn about marine animals with venom and how strong it is.

Pacific Coral Reef and Tropical Pacific habitats

Learn more about bioluminescence.

Media partner:



Entertainment curated by: