Update 10/27/17: Online registration has closed. Don't worry, walk-ups are accepted. Please check in at the Riverplace (main) ticket office on the Aquarium Plaza to purchase tickets.

Aquascarium
Friday, October 27th
4:00 – 8:30 PM (last ticket sold at 7 PM)

Come in costume and celebrate a family-friendly night of spooky critters and yummy treats.  Make friends with mermaids, lounge with lemurs and beware of pirates.  Don’t miss an unforgettable photo op with one of your favorite characters as they SCUBA dive with hundreds of fish.  Get your groove on at the Monster Mash dance party with some of the Aquarium’s lovable mascots and enjoy candy stations throughout both buildings. 
Children must be accompanied by an adult

Member: $8 per person, Adult or Child (3-12)
Member Guest: $35/Adult; $25/Child (3-12)
Non-Member: $40/Adult; $30/Child (3-12)