Big Blue Swim School O'Fallon

Big Blue Swim School O'Fallon

Halloween
Open Swim

Bring the whole family for an evening of costumes, treats and splashing in the pool. Grandparents, cousins, neighbors and friends are all welcome, so pass this invite along to anyone who would love to join you.

Date Friday, October 16, 2026
Time 5:30–7:30 PM
Where Big Blue Swim School O'Fallon 2259 State Hwy K, O'Fallon, MO 63368
Cost $5 per swimmer or $15 max per family

Costumes encouraged! Treats, music, and spooky splashes for the whole family.

Reserve your spot
Families swimming in the Big Blue O'Fallon pool Smiling swimmer holding a Big Blue ball Kids playing together in the lobby Toddler and dad on the pool deck