Ambassador Hotel was a hotel in Los Angeles , California , and location of the Cocoanut Grove nightclub ( unrelated to the infamous Boston Cocoanut Grove ) until it was demolished in 2005 . The hotel began operation formally on January 1 , 1921 . It was the site of the Academy Awards six times ( the 2nd , 3rd , 5th , 6th , 12th , and 15th ) and the June 1968 assassination of presidential candidate Robert F. Kennedy . The hotel closed to guests in 1989
5th
5th Academy Awards
Ambassador Hotel (Los Angeles)