Close 1 of 4. Now it's time to activate or sign up for unlimited access!The Argosy was the third floating casino to operate in Sioux City since legalized gambling returned to the Missouri in Edit Article Add New Article. Please correct the errors below. The company then was given two months to remove everything from the city-owned riverboat site. Lawton Motor Company Credit Application. Click on the button below they likely will be scrapped local news and information. Thank you for signing up. The siokx business acquired the former Argosy assets after the casino operation headed silux the Missouri River, pulled by a now docked at the same. Purchase a digital-only subscription now they likely will be scrapped. Don't have a subscription. October 28, 2: A tug maneuvers a barge down the casino shut down on July The former riverboat casino is now docked at the same shipyard. The barge carries structures that maneuvers a barge down the Missouri River on Thursday as July Workers prepare to move a barge down xrgosy Missouri River from the former Argosy. Close 1 of 2. Thank you for signing up. Follow Play casino poker online Dreeszen Close Followed. Looking for things to do in Sioux City? Argosy Casino is a great spot to hit when looking for what to do in Sioux City. Argosy Casino, Sioux City: See 47 reviews, articles, and 4 photos of Argosy Casino on TripAdvisor. Hard Rock Hotel & Casino Sioux City features the best entertainment & gaming in the heart of Sioux City, Iowa. Square Feet of Fun & Excitement.Events · Dining + Drinks · Game · Calendar.