Including net profit and non-game profits at casinos located in Sabuk-eup, Jung Sung-woon, Korea, fell by 90.4 billion won ($84.8 million) and 7.5 percent to 385 billion won, respectively.
As it is the largest casino in Korea, the decline in profits was attributed to a 7.2% drop in game sales to 378.4 billion won in the first quarter.
MassTable sales fell 7.3% and VIP sales fell 22.4% year-on-year, the news reported.
In March this year, the headquarters of Kangwon Land Co., Ltd., the owner of the company, was reportedly pointed out as part of a seizure search by federal prosecutors, including the office of the Ministry of Culture, Sports and Tourism.