Here's a map for Aquarium Illusions:
http://maps.google.ca/maps?f=q&hl=en...a&ie=UTF8&om=1
If your staying in Sherwood Park than AI quite a drive (opposite end of the city).
You should also consider visiting:
Aquarium Enthusiasts (Family run - Chris & Kim Hedstrom)
http://maps.google.ca/maps?f=q&hl=en...a&ie=UTF8&om=1
Dare I say Big Al's - if your into that "Future Shop Fish Emporium" Feel
http://maps.google.ca/maps?f=q&hl=en...B&ie=UTF8&om=1