Islamic banking was launched in Indonesia nearly two decades now, back in 1990. However, the market share of Islamic banking (IB) still seemed to be relatively low. Therefore, the main aim of the present study is to analyze the awareness, perception, and preferences on IB in Jabodetabek regions banking customers of Jakarta Indonesia. Hence, an analysis was conducted based on 150 respondents representing Jabodetabek regions of Jakarta. Results revealed that there are (1)There is a direct effect between variable attributes, variable commitment with the variable level of satisfaction. (2)There is a direct effect of the variable satisfaction at the variable level of loyalty. (3)There is a indirect effect between the variable attributes , the variable level of commitment with the variable level of loyalty through the variable satisfaction levels, (4) There is no direct effect between the variables of trust, the variable service with the variable level of satisfaction, (5) There is no indirect effect between variable attributes, the variable Truth with the variable level of loyalty through the variable satisfaction level. The findings of this research are (1) The customer have the length of relation with the Islamic Bank three years is 46%, the customer working in public (40.2%) and private (36.2%) office, and almost all customer graduated from college (91.3%) (2) The indicators can influence the customer to be loyal are” avoiding the element of usury and element of uncertainty”,” no gambling and halal investment”,” "conduct transactions with Bank Islamic any time, would recommend to friends to become customers and always talk about the good things positive about the Islamic bank"