St. Louis Aquarium at St. Louis Union Station

Event FacilitiesFamily FunIconic St. Louis

About

A new page is being written in the long history of St. Louis 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 and zebra sharks to personalized interactive experiences and community-building activities, this kid-friendly attraction has something for everyone.

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

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TripAdvisor Rating:

247 Reviews | Write a 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
Small and phenomenal
Reviewed By Shaun S January 2025

Totally worth the stop and price. Super interactive with a bunch of exhibits. All of the animals looked healthy and with clean, proper care. Kids and adults will enjoy the experience.

Full Review

Hours

1/1-1/15 – 9am-5pm Sunday – Thursday 9am-8pm Friday/Saturday 1/16-2/10 – (Seasonal hours) 9am-5pm daily 2/11-2/19 – 9am-5pm Sunday – Thursday 9am-8pm Friday/Saturday 2/20 – 3/10 – (Seasonal hours) 9am-5pm daily 3/11 – 3/31 – 9am-5pm Sunday – Thursday 9am-8pm Friday/Saturday 4/1 – 5/19 – (Seasonal hours) 9am-5pm daily 5/20-9/2 – 9am-5pm Sunday – Thursday 9am-8pm Friday/Saturday 9/3-9/29 – Seasonal hours (9am-5pm daily) 9/30 – 10/27 – 9am-5pm Sunday – Thursday 9am-8pm Friday/Saturday 10/28 – 11/24 – Seasonal hours (9am-5pm daily) 11/25 – 12/1 – Standard hours for Thanksgiving Weekend (9am-5pm Sunday – Thursday 9am-8pm Friday/Saturday) 12/2 – 12/24 – (Seasonal hours) 9am-5pm daily 12/25 – 1/5 9am-5pm Sunday – Thursday 9am-8pm Friday/Saturday

Handicap AccessibleDowntownDowntown

TripAdvisor Rating:

247 Reviews | Write a 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
Small and phenomenal
Reviewed By Shaun S January 2025

Totally worth the stop and price. Super interactive with a bunch of exhibits. All of the animals looked healthy and with clean, proper care. Kids and adults will enjoy the experience.

Full Review