[4] All 10 Big East schools participated in the tournament.
Teams were seeded by the conference record with tie-breaking procedures to determine the seeds for teams with identical conference records.
[5] The top six teams received first-round byes.
Seeding for the tournament was determined at the close of the regular conference season.
Notably, no Big East team had secured its tournament seed before the final day of the 2017–18 regular season.