“No matter what, we are adhering to the governor’s official recommendations. “As of right now, that is the plan,” Treasure Island spokeswoman Jennifer Renzelman said. The property’s website says the hotel-casino is closed by order of the governor’s office but “will reopen on May 15.” Steve Sisolak said Wednesday that the statewide casino shutdown, currently set to end April 30, probably will be extended an undetermined amount of time. (Ellen Schmidt/Las Vegas Review-Journal) Island is planning to open its doors to guests May 15, even though Gov. The sun sets on the Strip, including Caesar's Palace and Treasure Island on Tuesday, March 24, 2020, in Las Vegas.