Doing a PADI IDC in Bocas – becoming diving instructors Posted on 16/10/2017 by Renate Rigters | That Wanderlust In the beginning of 2017 Thom and I did the IDC. But what’s an IDC? It stands for Instructor Development Course! As we both are passionate divers it didn’t take us long to make the decision to go from PADI divemaster to instructor. ...read more!