St. Louis Aquarium at St. Louis Union Station

Event FacilitiesFamily FunIconic St. Louis

About

A new page is being written in the storied history of St. Louis Union Station. Retrofitted in the former train station, the St. Louis Aquarium will take you on an aquatic adventure like no other. From alligator snapping turtles to zebra sharks and personalized interactive experiences to community-building activities, this all-ages attraction has something for everyone.

Kid-Friendly Fun in a Historical Setting

Once one of the largest and busiest passenger rail terminals in the world, St. Louis Union Station is now a wellspring of family-friendly activity.

The sun sets on St. Louis Union Station.

30 Things to Do in St. Louis for Less Than $30

Traveling on a budget? St. Louis has an abundance of unforgettable activities, including the St. Louis Aquarium at Union Station, that won’t break the bank.

Kids touch jellyfish at the St Louis Aquarium.

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

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TripAdvisor Rating:

249 Reviews | Write a Review
Dont waste your time or money... it was pathetic
Reviewed By Trek19971886927 March 2025

We watched the hype of this aquarium as it was being built and we were super excited to make the 4 hr trek to STL. It was almost 100 bucks for 2 adults and 2 kids and we finally made our way into the...

Full Review
Enjoyable aquarium
Reviewed By ManningAvenger March 2025

St. Louis Aquarium was a fun experience for my family. The video train ride was fun to watch. My granddaughter loved the animal displays and watching the scuba diver give a talk about the deep water...

Full Review
Waste of time and money
Reviewed By sherry p March 2025

Totally not worth the money! Not much to see or do within the aquarium itself. A couple cool things where the kids can touch the fish, stingrays, feed a turtle but a day at the zoo where there's no...

Full Review

Hours

Hours vary by day and season – check website for more information.

Handicap AccessibleDowntownDowntown

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Audio/Video/Stage Production

TripAdvisor Rating:

249 Reviews | Write a Review
Dont waste your time or money... it was pathetic
Reviewed By Trek19971886927 March 2025

We watched the hype of this aquarium as it was being built and we were super excited to make the 4 hr trek to STL. It was almost 100 bucks for 2 adults and 2 kids and we finally made our way into the...

Full Review
Enjoyable aquarium
Reviewed By ManningAvenger March 2025

St. Louis Aquarium was a fun experience for my family. The video train ride was fun to watch. My granddaughter loved the animal displays and watching the scuba diver give a talk about the deep water...

Full Review
Waste of time and money
Reviewed By sherry p March 2025

Totally not worth the money! Not much to see or do within the aquarium itself. A couple cool things where the kids can touch the fish, stingrays, feed a turtle but a day at the zoo where there's no...

Full Review