All six of the league's teams met in the double-elimination tournament held at University of Nevada, Las Vegas's Earl Wilson Stadium.
Third seeded UNLV won their second straight and second overall Mountain West Conference Baseball Championship with a championship game score of 6–3 and earned the conference's automatic bid to the 2004 NCAA Division I baseball tournament.
[2][3] The teams were seeded based on regular season conference winning percentage only.
New Mexico claimed the second seed by winning the season series against UNLV.
[4] Matt Luca, a sophomore pitcher for the champion UNLV Rebels, was named the tournament Most Valuable Player.