Currently, that same attention to detail and refreshing look that went into the hotel renovation is being given to the TRC’s Conference Center, which is the southern part of the property where the Orca Ballroom and Chinook rooms are located. Keeping in line with its AAA Four Diamond status means staying ahead of the curve and constantly looking for new ways to keep guests coming back. Early last year, the Tulalip Resort Casino (TRC) underwent an extensive renovation to its hotel tower, guest rooms and suites.