(Erik Verduzco/Las Vegas Review-Journal)Ĭaesars Entertainment Corp.’s $185 million renovation of a center Strip midmarket casino into The Cromwell, an upscale boutique hotel-casino, opens May 21, the gaming company announced Monday. It is expected to reopen later this year as a 188-room boutique-style luxury resort. The Cromwell, at the northeast corner of the Strip and Flamingo Road, will replace Bill's Gamblin' Hall, which closed a year ago for a $185 million remodeling. The construction site of The Cromwell casino-hotel in Las Vegas is seen Tuesday, Feb.