Delaware: Casinos temporarily shut down Dover Post · March 17, 2020 at 11:12 am All three casinos closed in response to the coronavirus pandemic March 16. This comes after Gov. John Carney updated the state of emergency to limit all restaurants, taverns and bars to take-out and delivery service only. Delaware Park was the first to close. The casino in the Wilmington area shut down indefinitely, only keeping the White Clay Creek Golf Course open. Dover Downs will close to the public starting at 8 p.m. The hotel and take-out restaurant Sweet Perks will remain open and fully operational.