Free pirate battles were performed daily for spectators over the next two decades. Treasure Island's facade was built with a lagoon containing two pirate ships. Treasure Island was among several family-oriented resorts to open in Las Vegas during the 1990s, taking advantage of the growing tourist demographic. Wynn announced Treasure Island in October 1991, and construction began four months later. Project designers included Joel Bergman and Jon Jerde. Treasure Island was developed by casino owner Steve Wynn through his company, Mirage Resorts. The resort is owned and operated by businessman Phil Ruffin. Treasure Island Hotel and Casino (also known as Treasure Island Las Vegas and ' TI') is a pirate-themed hotel and casino located on the Las Vegas Strip in Paradise, Nevada, U.S.