La Grange Fitness NOW OPEN! Initiation fee waived through Sept. 30th Drop in anytime to register! Membership registration can only be done, in person during regular business hours, at La Grange Fitness located at 536 East Avenue, La Grange. Proof of residency is required to qualify for resident rates. A driver’s license, state ID or utility bill is acceptable. This policy assures the lowest fees for La Grange & Countryside residents.