Are there any grocery stores within walking distance?

There's a few small grocery places in the area, and a couple of chain places that will carry basic food, like Walgreens and 7-11

Within walking distance? Yes many. Just do a Google search for grocery stores near you when you get there and you will see several within 10 minutes walk or less

There is a Whole Foods about 15-20 minites walk or 5 minute drive north of the AIC.

Yes, kind of