You could sleep in your car, but this might be better...

Comfort Inn & Suites
10% off your Ice Fest lodging!
Click: Comfort Inn >> Ice Fest booking promo
Cranmore Mountain Lodge
Use code: CML-IME
CoHo Hostel
For 10% off lodging, folks can use code "ICEFEST" or follow this direct link.
This code can be applied to single bunks in the shared rooms, as well as private rooms that fit anywhere between 2-6 people.