St. Louis Aquarium at St. Louis Union Station

Event FacilitiesFamily FunIconic St. Louis


A new page is being written in the long history of St. Louis’ historic Union Station. Located in what was once one of the busiest passenger rail terminals in the world, the St. Louis Aquarium at Union Station will take you on an aquatic journey like no other. From alligator snapping turtles to zebra sharks, from personalized interactive experiences to community-building activities, and everything in between, we have something for everyone. Explore what awaits you!

201 S. 18th St.
St. Louis, MO 63103

Get Directions

TripAdvisor Rating:

223 Reviews | Write a Review
Wonderful visit!
Reviewed By AJMMadison November 2023

Our family of 4 which included a 12 and 15 year old loved this Aquarium. We consider ourselves Aquarium conesours and have been to many and this is high on the list. Small, but very well done...

Full Review
Good aquarium, but pricey
Reviewed By amyrrowl November 2023

The aquarium had nice exhibits and lots of interactive features for the kids. The people giving animal talks were knowledgeable and personable. The facility was clean and all the staff was very...

Full Review
Not the best, not the worst…
Reviewed By cindysL9193FB October 2023

We had visited the STL Aquarium when it was newly opened and we just visited again 3 years later. This visit was much more enjoyable as it seems they have worked out some of the kinks. The flow was...

Full Review


Sun.-Thu., 9 a.m.-5 p.m. Fri.-Sat., 9 a.m.-8 p.m.

Handicap AccessibleDowntownDowntown

What's Nearby

1894 Cafe at St. Louis Union Station

Located on the second floor of Union Station, this casual family-friendly café will facilitate aquarium goers with a…


Train Shed at St. Louis Union Station

The Train Shed will be a unique gathering place filled with contemporary cuisine and creative cocktails in one…



Encore (formerly known as PSAV) is a leading global event, technology services company serving over 2100 locations from…

Audio/Video/Stage Production