This riverboat casino opened in and closed in This boat gave five hour dinner cruises on the Mississippi River. Jan 10, - Diamond Jo Casino in Dubuque, Iowa is a nice land-based casino situated right off the Mississippi River. Aquí, podrás dar agradables paseos junto al río y disfrutar de sus. Guardar. Diamond Jo Casino, Dubuque, Iowa, Estados Unidos Country Inn & Suites by Radisson, Dubuque, IA Pasa un día recorriendo las galerías en Riverboat Museum . We called for a last minute reservation and there was availability. One of my favorite casinos. Located in Dubuque, this entertainment and gambling hub has free admission. Guardar. It was located in Dubuque, Iowa at. We did the supper cruise. It's the perfect place to go for an affordable and fun day out! When you're ready. Boarded at , left at 6, returned about 8. Spent an about 45 min the casino where smoking is allowed - this is Iowa. This is picture of Twilight Riverboat through a window at Diamond Jo Casino, Dubuque, IA. Especially love its location right on the river!! The buffet is one of the best that I've ever been at. Pasa un día recorriendo las galerías en Riverboat Museum (museo) cuando viajes a Dubuque. The customers are quiet, but they have the music really ramped up - annoying. . Beautiful night.