The 2018 Colonial Athletic Association men's basketball tournament was the postseason men's basketball tournament for the Colonial Athletic Association for the 2017–18 NCAA Division I men's basketball season. The tournament was held March 3–6, 2018 at the North Charleston Coliseum in North Charleston, South Carolina. The College of Charleston received the CAA's automatic bid to the NCAA tournament with an 83–76 overtime win over Northeastern in the championship game.