Three off-track-betting venues - Long Shot’s in Frederick, Riverboat on the Potomac in Colonial Beach, The SWARC awarded licenses to the five casinos on Nov. The controlled demonstrations and opening of sports wagering at Hollywood Casino in Perryville are expected next week. 9, followed by Live! Casino in Hanover and Horseshoe Casino in Baltimore on Dec. MGM National Harbor in Oxon Hill opened to the public on Dec. The casino is among the 17 entities that were designated in the sports wagering law to conduct sports wagering operations, pending a review of their qualifications to receive licenses and is the fourth facility Gaming staff ensured the facility complied with all required procedures, and that its systems and revenue reporting controls functioned properly. Prior to receiving its license, Ocean Downs successfully completed two days of controlled demonstrations, during which invited guests participated in live wagering as Maryland Lottery and BALTIMORE (WBFF) - The Maryland Lottery and Gaming Control Commission (MLGCC) issued a sports wagering license to Ocean Downs Casino in Berlin in Worcester County on Friday.