Old town aquarium is nice I heard golden aquarium is nice, I'm checking them out tomorrow on my way home from work. In the south suburbs animal control island in Midlothian is kind of a dump but has awesome freshwater (about 1.5 miles off of 294, worth hitiing on the way in or out if your coming that way) and aquatica has great saltwater including a large sharke pond plus a small but nice freshwater section.