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