There is no official hotel associated with CAKE. Here’s some information we’ve found (not that we’re recommending them or endorsing them):

Days Inn
644 W. Diversey, Chicago

Inn at Lincoln Park
601 W. Diversey, Chicago

Both spots are about 1 mile away from Center on Halsted (3656 N. Halsted, Chicago), where the expo will be held.

The Chicago International Hostel isn’t too far from the Red Line downtown, which leads straight to CAKE’s neighborhood.

You can also try these services:
Couch Surfing
Air B&B