| Constructured | 2001 |
| Parish No | 037 |
| Population | 800 / 11,500 |
| Tel. | (01624) 822272 |
| Fax. | |
| Web. | http://manxcatholic.org |
| Email. | saintmarycastletown@rcaolp.co.uk |
| Architect | St Mary's Church: T Brine, St Columba's Church: P Pozzoni |
| Clergy | Rev Leo Cooper St Mary's Presbytery, 24 Bowling Green Road, Castletown, Isle of Man IM9 1EB |
| Masses | St Mary, Bowling Green Road, Castletown Sunday 9 am Holydays 7.30 pm Weekdays Mon, Wed, Fri 10 am St Columba, Castletown Road, Port Erin Sunday 11 am Holydays 10 am Weekdays Tue, Thu, Sat 10 am |
| Services | Confs Sat 11.30 am-12 noon (St Mary) Bapt by appointment |
| Resources | Religious instruction: as announced St Mary's Church (formerly Parish No 37) 1826 / 1921 / Cons 1996 Architect T Brine Bowling Green Road, Castletown, Isle of Man St Columba's Church (formerly Parish No 239) 1903 / 1923 / Cons 1996 Architect P Pozzoni Castletown Road, Port Erin, Isle of Man |
| In Parish | Abbotswood Nursing Home Ballasalla Southlands Home for Old Folk Port Erin |
