St. Louis Aquarium at Union Station | Kids Out and About St. Louis

St. Louis Aquarium at Union Station

Address: 
201 S 18th St
St. Louis , MO , 63103
Phone: (314) 923-3900
38° 37' 44.706" N, 90° 12' 24.102" W
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Dive into an ocean of excitement at the St. Louis Aquarium at Union Station! This 120,000-square-foot aquatic wonderland takes you on a thrilling journey from freshwater rivers to the mysterious depths of the ocean. Marvel at the mesmerizing Changing Rivers gallery, where Missouri's local aquatic life swims to greet you. Then, prepare to be awestruck by the magnificent 250,000-gallon Shark Canyon, home to an array of fascinating shark species. But the adventure doesn't stop there! Descend into the Deep, where exotic sea dragons, clever octopuses, and ethereal jellyfish await your discovery. With interactive programs and up-close animal encounters, there's something for every member of your school (or should we say, shoal?). Don't miss out on this fin-tastic experience – book your tickets in advance and make a splash at St. Louis's newest family attraction.
Open hours: 
Sunday: 9:00 am-5:00 pm
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 am
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-8:00 pm
Saturday: 9:00 am-8:00 pm

Location: 
St. Louis Aquarium at Union Station, 201 S 18th St, St. Louis, MO 63103, United States
See map: Google Maps

Aquarium Bingo for Books

Dates: 
09/07/2026
09/14/2026
09/21/2026
Time: 
11am-12pm & 1pm-2pm

Location: 
St. Louis Aquarium at Union Station, 201 S 18th St, St. Louis, MO 63103, United States
See map: Google Maps

Pirates and Pumpkins at the St. Louis Aquarium

Dates: 
09/18/2026
09/19/2026
09/20/2026
Time: 
see website