The casino's new 14,square-foot European-style hotel opening Saturday is called Spa del Lago. . The Waterloo Thruway exit has been busy since del Lago Resort & Casino opened in February. According to data from the New York State Thruway Authority, traffic at Exit 41 has increased nearly 50 percent since del Lago Resort & Casino. Before the casino opened, average monthly traffic. Our test-market data is all within 10 or 15 percent of each other, so Until then, the opening of the casino will benefit area hotels. The del Lago Resort & Casino earned $ million in gross gaming revenue its first week. Slot machines will be taxed at 45 percent at Rivers; 39 percent at Montreign in the Catskills; and 37 percent at del Lago in the Finger Lakes. A Kentucky-based company acquired a Finger Lakes resort and casino as mobile sports betting brought in over $ billion across New York. That mission is coming to fruition as del Lago has significantly boosted tourism in the region since its opening in February According to. --If parking and traffic are any measure of a casino's success, then opening day at the $ million del Lago Resort & Casino in Seneca County. The del Lago acquisition comes as New York state considers accelerating the opening of up to three full service casinos in the New York City.