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