Oklahoma: Chickasaw businesses including WinStar to stay closed through April 15 Gainesville Daily Register · March 26, 2020 at 5:57 pm All Chickasaw Nation-owned businesses that have already been closed to limit the spread of COVID-19, including WinStar World Casino and Resort, will remain closed through April 15, Chickasaw Gov. Bill Anoatubby announced this morning. Many of WinStar’s businesses closed down at midnight March 16 as a precaution. The casino, retail stores and casino restaurants were closed “in accordance with health official directives discouraging mass gatherings of 50 people or more to slow the transmission of this virus.” The WinStar World Casino Hotel remained open, the Register previously reported. The Terrace View Café inside the WinStar World Casino Hotel also stayed open, but with service limited to no more than 50 people at a time. The Spa at WinStar was closed March 18, the casino announced on its Facebook page.