The 1989 Northeast Conference men's basketball tournament was held February 28-March 3, 1989.
The tournament featured the top six teams from the 9-team conference.
Robert Morris won their third ECAC Metro/NEC championship, and received the conference's automatic bid to the 1989 NCAA tournament.
The NEC Men’s Basketball Tournament consisted of a six-team playoff format with all games played at the venue of the higher seed.
The top two seeds received a bye in the first round.