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Pirates and Pumpkins at the St. Louis Aquarium

2027 dates TBA Family-friendly

Halloween festival in St. Louis, MO. St. Louis Aquarium at Union Station, St. Louis, MO

Type
Halloween festival
Dates
2027 dates TBA
Hours
2026: Sep 18 - Nov 2; costumed trick-or-treating on select late-October dates
Cost
2026: included with general admission
Scare level
Family-friendly

A fall event at the Union Station aquarium with roaming pirates, underwater pumpkin carving in the shark tank and costumed trick-or-treating.

Dates and times can change with weather, so check before you go. Run this event? Claim it to post this year's date, times and photos. Something wrong? Tell us.

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