I work pretty close to Hammond. If the casino has a hotel, it should be fine. Don't spend the time/money going into Illinois. The hotels on US 30 in Schererville and Merrillville are fine (Radisson, HE express). I've heard that the ones on US41 in Highland are clean and safe. Personally, I would avoid East Chicago and Whiting. Going south a bit the towns seem to have newer shopping and I would assume newer hotels.