Live Casino & Hotel, the largest casino in the state and the closest to MGM, saw year-over-year revenue drop 22.3 percent to $45.9 million. Horseshoe Casino Baltimore declined 18.1 percent to $23.6 million.
Hollywood Casino Perryville generated $6.4 million, a year-over-year decrease of 7.8 percent.
Rocky Gap Casino posted a 7.4 percent increase in revenue, bringing in $4.75 million. Casino at Ocean Downs generated $5.3 million in May, up 3.3 percent from a year before.