shedd aquarium: If you go on a Monday or Tuesday in September, October or November it's free--however that's just for the aqaurium portion, if you want to see the Oceanarium or Wild Reef you still have to pay for those attractions.|||hey Norm J.! r u sure every library has free group tickets? can u check if the libraries have shedd aquarium tickets for freee!!!!!!!!!1 plzzz Report Abuse |||Go to the public library and check one out. They have many free group tickets for many different museums, etc. They say the local libraries are better to go to for this than the main branch downtown.