The 1988–89 Michigan State Spartans men's basketball team represented Michigan State University in the 1988–89 NCAA Division I men's basketball season. The team played their home games at Jenison Field House in East Lansing, Michigan and were members of the Big Ten Conference. They were coached by Jud Heathcote in his 13th year at Michigan State. This season marked the Spartans' final season of basketball at Jenison Fieldhouse before moving to their current venue, the Breslin Center, the following season. The Spartans finished the season 18–15, 6–12 in Big Ten play to finish in eighth place. Michigan State did receive a bid to the National Invitation Tournament where they beat Kent State, Wichita State, and Villanova to reach the semifinals at Madison Square Garden. In the semifinals, they