The 1988 Eastern League season began on approximately April 1 and the regular season ended on approximately September 1.
The Albany/Colonie Yankees defeated the Vermont Mariners three games to one to win the Eastern League Championship Series.
1988 Eastern League season Wikipedia
Green shade indicates that team advanced to the playoffs
Bold indicates that team advanced to ELCS
Italics indicates that team won ELCS
Albany/Colonie Yankees defeated Glens Falls Tigers 3 games to 1.
Vermont Mariners defeated Pittsfield Cubs 3 games to 1.
Albany/Colonie Yankees defeated Vermont Mariners 3 games to 1.