The study examines the effectiveness of Facebook based learning to enhance creativity among Islamic Studies students in the secondary educational setting in Malaysia. It describes the design process by employing the Isman Instructional Design Model. A quantitative study was carried out using experimental method and background survey. The instruments used were questionnaire and creativity test form for student's creativity measurement. The treatment group consists of 40 participants randomly selected among students, while the control group of 40 participants was drawn from existing classes. This study was conducted over 14 weeks. Statistical analysis in the form t-test was used to compare the dependent variables between the two groups. The findings show that the difference in mean score between pre-test and post-test for the treatment group was 27.50 while the mean score difference between treatment and control groups to the post test of: i) creativity in writing is 4.90; ii) creativity in problem solving is 5.68, and iii) creativity in creating a missionary motto is 4.93. One way ANOVA analysis of the treatment group showed significant differences in student achievement based on creativity indicators. The findings from this study suggest that the Isman Instructional Design Model which pays attention to instruction from the learner perspective than from content perspective is suitable in designing and developing Facebook based learning to enhance creativity among Islamic Studies students in the secondary educational setting in Malaysia. The findings of this study are expected to provide insights in promoting Facebook based learning. (Contains 1 figure and 5 tables.)