The aquarium is $25 for adult and $18 for children but ask the people to make sure
General Admission tickets are $25 for Adult and $18 for Children (3-12) and will get you access to all of the Aquarium's galleries, exhibits and interactive experiences.  Explore St. Louis › discover › st-lou... St. Louis Aquarium at Union Station - Explore St. Louis
Thanks! Your answer is awaiting moderation.