St. Michael's College offers an extensive range of extra-curricular activities. A summary of all extra-curricular activities for 2011/12 can be found here.

The following is a list of extra-curricular activities currently on offer in the school:

¤ Archery
¤ Basketball
¤ Cricket
¤ Cross-Country
¤ Debating
¤ Drama
¤ European Youth Parliament
¤ Gaeilc Football
¤ Golf
¤ Hurling
¤ Kick-Boxing and Self-Defence
¤ Music/Guitar & Piano Lessons/Choir
¤ Rugby
¤ Sailing
¤ Social Golf
¤ Soccer
¤ Squash
¤ Swimming
¤ Table-Tennis
¤ Tennis
¤ Triathlon
¤ Water Polo