Boo at the Zoo

Families of all ages can enjoy festive decorations, entertainers, special food and drink menus and more at the Saint Louis Zoo's nighttime, non-scary Halloween experience Boo at the Zoo! Boo at the Zoo is a long-time St. Louis family favorite, with fun. spellbinding decorations for great photo opportunities, spooktacular entertainment as actors bring the decorated areas to life, interaction with the animals, meet the Zoo's new Komodo dragon, fun at the 4-D Theater and Conservation Carousel, and much more.

At Boo at the Zoo you can visit the Caribbean Cove, slither into the Charles H. Hoessle Herpetaruim and the Bayer Insectarium, as well as ride the Zooline railroad, see the Stingrays at Caribbean Cove and more.

And don't forget the special food and drink menus and souvenir t-shirts! Please note: this is not a trick-or-treating event.

Boo at the Zoo is happening nightly from 5 to 8:30 p.m., October 16-30, 2025 at the Saint Louis Zoo. Tickets are available now.

October 14 is Sensory Friendly Night for guests with sensory sensitivities. This night includes sensory maps, quiet areas, and trained Zoo staff to assist individuals with sensory sensitivities.

Family-friendly costumes are encouraged! Scary costumes are not permitted. Costume masks and face paint/makeup that conceals the whole face are not permitted on guests 14 and older. 

Learn more and get tickets at stlzoo.org