This paper studies characteristics of banking depositors referring to some survey literatures on Indonesian Islamic banking industry. Then, the output of such literatures is used to construct and propose an integrated program to develop the Indonesian Islamic banking industry. Particularly, the paper investigates the understanding of depositors with regard to Islamic banking institution, segmentation of depositors, depositors’ investment and liquidity behavior. Finally, an integrated program is composed of:(a) socializing the operations and benefits of Islamic banks;(b) educating the banking depositors and;(c) maintaining the loyalty of depositors.