Planned then was an 80,000-square-foot complex of restaurants, stores and entertainment facilities, in addition to the casino. Opened though it may be, the Spa Casino is far from the facility envisioned when the tribe announced its deal with Caesars. “You know, hindsight is hindsight,” Milanovich said. So do the Agua Caliente now regret waiting so long while other tribes raked in the cash?