21st Annual Seattle Aquarium Octopus Survey

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.

Join the Seattle Aquarium for free activities from 9:30am-11:30am on Pier 62, just north of the Aquarium along Alaskan Way! Scheduled activity stations: Underwater Researchers, Marine Crafts