Every year · Halloween · St. Louis
Trick-or-Treat Nights at the St. Louis Aquarium
Back every year in October. Here’s what we confirmed for 2026.
Get the details
2027 dates not announced yet
- Last time: Oct 17, 2026Usually October
Every year
2027 datesNot announced yet. We’ll post the 2027 dates here once the organizer does.
- Time of yearOctober
- Last confirmed datesOct 17, 2026
- Price in 2026Aquarium admission + $5
- Ages in 2026Ages 0–12
This page stays up all year. When the dates pass, it keeps the last confirmed details, and the next dates go here as soon as they’re posted on the official page.
Every year in STL · More things to do with kids in St. Louis this week
With little kids
- Best agesAges 0–12 (2026)
About the 2026 event
Trick-or-treat around the aquarium and Union Station with an official treat bag.
Times and prices can change, so check the official page before you go.
Where
- St. Louis Aquarium at Union Station201 S 18th St, St. Louis, MO 63103Open in Maps ↗
Open in Maps ↗
