The Super 8 Motel DeWitt, Iowa is located off Hwy 61 South, Exit 139B or Hwy 61 North, Exit 311B. The motel is located between the Quad Cities, which consists of Davenport and Bettendorf, Iowa and Moline and Rock Island, Illinois and Maquoketa, Iowa. The Super 8 Motel DeWitt, Iowa is just minutes away from Maquoketa Caves State Park. Other attractions include Isle of Capri Casino, The Mark, Quad City International Airport, Banowetz Antique Mall, largest antique mall in the area, Ohnward Fine Arts Cente ...