Coláiste Chú Chulainn activities include:
- Surfing
- Canadian Canoeing
- Kayaking
- Body boarding
- Hip hop dancing
- Céilí dancing
- Disco dancing
- Music-All students are encouraged to bring their musical instruments with them.
- Singing
- Soccer
- Basketball
- Athletics
- Arts and crafts
- Volleyball
- Drama/Scoraíocht
- Debating
- Board games
- Day tours to Ionad cois Locha, Gartan Adventure centre / Glenveigh National park.
- Shopping trips
- Coastal walks
- Swimming-indoor heated pool or the sea.
- Mountain climbing
- Beach games
- Nature walks-Bog/Flora/Fauna
- Horseriding (Available upon request with extra charge. Experience necessary.)