Your journey through the St. Louis Aquarium starts along a freshwater river and the shallow waters of a salt marsh, then moves into the deep, dark abyss of the open ocean.

There’s always something new to see and do at the Aquarium so the best value is a Membership. A membership lets you visit the Aquarium as often as you like throughout the year.

Visiting St. Louis Aquarium at Union Station? View our hours of operation, driving directions, guest parking information & a detailed map of the Aquarium.

Join us for a day of exploration! Buy tickets to the St. Louis Aquarium and consider our Aquarium Membership for year-round access and savings!

Being at the heart of Union Station’s revival, we’ve proudly developed the cure to St. Louis’s landlocked blues: a 120,000-square-foot aquarium, packed to the gills with over 13,000 animals across 44 exhibits.

Have a question about St. Louis Aquarium at Union Station? Read some expert answers to help you plan your next adventure.

From vibrant tropical fish to majestic sharks, the St. Louis Aquarium provides an enchanting glimpse into the underwater world. Get ready to plan your visit at the aquarium and create unforgettable …

Unforgettable experiences await at the St. Louis Aquarium with our upcoming monthly special events. Experience yoga at the aquarium surrounded by marine life. Dive into the aquatic wonders and plan …

Your journey through the St. Louis Aquarium starts along a freshwater river and the shallow waters of a salt marsh, then moves into the deep, dark abyss of the open ocean.

Dive into an unforgettable aquatic experience at the St. Louis Aquarium. Explore engaging aquarium exhibits and interactive animal encounters for all ages.