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. Fire Monument Road Hinckley, MN (opens in new window) · () (Phone). View Website. The lettuce was crisp, and the toppings. We rebuilt your favorite club with bigger wins, better features. View map of. We ate at this buffet tonight - July 23, The salad bar was quite good, although somewhat limited in selection. . Grand Casino Hotel, RV Resort & Chalets. is the buffet open at grand casino hinckley.