. Grand Casino Hotel, RV Resort & Chalets. View Website. We ate at this buffet tonight - July 23, The salad bar was quite good, although somewhat limited in selection. is the buffet open at grand casino hinckley. Fire Monument Road Hinckley, MN (opens in new window) · () (Phone). View map of. The lettuce was crisp, and the toppings. Grand Buffet: Buffet at Grand Casino Hinckley - See traveler reviews, 5 candid photos, and great deals for Hinckley, MN, at Tripadvisor. As of February 1, , Grand Rewards has undergone an exciting new transformation. Mark your calendar: The Seafood Buffet is back! Join us on Thursday, November 30, from 2 pm to 10 pm to enjoy a huge selection of savory. We rebuilt your favorite club with bigger wins, better features.