Shedd Aquarium Chicago Free Days 2025 Free Days. Running from tuesday, january 9 to tuesday, january 16 this week of free admission for illinois residents includes rare weekend dates! With valid id, illinois residents receive free general admission.

According to the shedd, after labor day and throughout september, illinois resident free days will be start on mondays, tuesdays and wednesdays. Take your time, talk to the incredibly knowledgeable staff, and don’t forget to say hi to the sea otters for me!