Quarterfinal games were played at home team campus sites, while the final four games were played at the Conte Forum in Chestnut Hill, Massachusetts, the home venue of the Boston College Eagles.
This was the final year the Hockey East championship was decided at a home venue to one of its member teams until 2021.
By winning the tournament, Boston College received the Hockey East's automatic bid to the 1990 NCAA Division I Men's Ice Hockey Tournament.
In the semifinals, the highest and lowest seeds and second highest and second lowest seeds play a single-elimination game, with the winners advancing to the championship game and the losers meeting in a third-place game.
Note: GP = Games played; W = Wins; L = Losses; T = Ties; PTS = Points; GF = Goals For; GA = Goals Against [4] Teams are reseeded after the quarterfinals Note: * denotes overtime period(s)