High Quality Content by WIKIPEDIA articles! The 2004 United States Open Championship was the 104th U.S. Open, played from June 17 to June 20 at Shinnecock Hills Golf Club in Shinnecock Hills, New York. The U.S. Open returned to Shinnecock Hills for the first time since 1995. Retief Goosen won his second U.S. Open; his first came in 2001 in a playoff at Southern Hills. His birdie on the 16th hole, combined with Phil Mickelson’s double bogey on 17th, gave Goosen a two shot win. The total purse was $6.25 million with a winner`s share of $1.125 million.