The 1999 Big South Conference baseball tournament was the postseason baseball tournament for the Big South Conference, held from May 20 through 23 at Charles Watson Stadium, home field of regular season champion Coastal Carolina in Conway, South Carolina.
The top six finishers from the regular season participated in the double-elimination tournament.
The champion, Winthrop, won the title for the third time, and first since 1987, and earned an invitation to the 1999 NCAA Division I baseball tournament.
[2] The top six finishers from the regular season qualified for the tournament.
[2] Matt Kozaria was named Tournament Most Valuable Player.