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.
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.
201 S. 18th St.
St. Louis,
MO
63103
TripAdvisor Rating:
269 Reviews | Write a Reviewworth going at least once!
Reviewed By serendipity A May 2026Beautiful station with good history/memories. I went with a few friends, we each paid $30 per person, and spent about 2 hours going through all the exhibits/stations. Best parts were the hands on...
Full ReviewGood for kids but pricey.
Reviewed By Lee S April 2026After the "train" ride to through the waters of the world, you enter the aquarium. It is very well done with plenty of space between exhibits. There are a lot of kid friendly activities but we were...
Full ReviewA must see for sea life lovers!
Reviewed By Sonia P May 2026Fist visit to St. Louis for a business conference. Took the opportunity to visit the Aquarium and was pleasantly surprised. I’ve visited MANY aquarium’s and truly enjoyed the layout, the...
Full ReviewHours
Hours vary by day and season – check website for more information.
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
Encore (formerly known as PSAV) is a leading global event, technology services company serving over 2100 locations from…
TripAdvisor Rating:
269 Reviews | Write a Reviewworth going at least once!
Reviewed By serendipity A May 2026Beautiful station with good history/memories. I went with a few friends, we each paid $30 per person, and spent about 2 hours going through all the exhibits/stations. Best parts were the hands on...
Full ReviewGood for kids but pricey.
Reviewed By Lee S April 2026After the "train" ride to through the waters of the world, you enter the aquarium. It is very well done with plenty of space between exhibits. There are a lot of kid friendly activities but we were...
Full ReviewA must see for sea life lovers!
Reviewed By Sonia P May 2026Fist visit to St. Louis for a business conference. Took the opportunity to visit the Aquarium and was pleasantly surprised. I’ve visited MANY aquarium’s and truly enjoyed the layout, the...
Full Review