“We always thought that it could be what it is today. “Downtown Henderson has really come on strong in the last few years,” Brooks said. What was once considered a sleepy downtown area has grown significantly - and Emerald Island Casino has grown along with it. The gaming establishment opened its doors on May 23, 2003, and celebrates its 20th anniversary on Saturday. “We were running around like a chicken without a head getting ready to open,” he said.īrooks and co-owner - and twin brother - Mike bought the Pot O’Gold Casino in 2001 and the pair spent the next year and a half, and about $2 million, renovating the closed casino in downtown Henderson’s Historic Water Street District. (Elizabeth Page Brumley/Las Vegas Review-Journal Island Casino co-owner Tim Brooks remembers where he was 20 years ago this week. Emerald Island Casino Owner Tim Brooks outside of the Emerald Island Casino off South Water Street in Henderson on Wednesday, Aug.