Europe river cruises are not known for their casinos. Rather, the Mississippi River was entertaining river cruisers long before the notion of. There was no tour of the Mississippi, it was a dinner cruise on a river boat. for 20 years now this cruise is something to do in the tunica area besides gambling. Enjoy a delicious breakfast buffet while you cruise along the scenic St. Croix & Mississippi to Treasure Island Resort and Casino on our Casino.