Casteel Islamic Centre is situated in Casteel, Mpumalanga Province. This Centre has a Masjid, library, teachers house and boarding room for students.
There is 12 boys who live at the centre. 8 of these boys come from the surrounding area. Sheikh Swaleh Mbewe is the teacher at the centre and does both Imaamat and madressa teaching. He is assisted by his wife Mariam Fundi who prepares meals for the boys and also teaches ladies. Subjects taught at the centre is Tawheed, Durus Islamia, Duas, Quraan, Yasarnal Quraan, Arabic, History, Ahadith and Adhaab. Other programmes conducted at the centre are adult madressa classes, ladies gatherings, monthly meetings, home visits, Dawah, Gash and sports.