Review for Diamond Jo Casino Northwood Review For Diamond Jo Casino Northwood Google User Aug 13 '17 at 16:02 Machines are tight, extremely tight, usually long lines for buffet, which has great dessert but not much else for me. We used to go once a week, traveling from Minnesota. We got free play, bonus things and now, NOTHING. Never going back. Update: I would erase my one star if I could. My opinion of this place has not changed in the last year. View full site to comment or like