This research aims to develop "Coastal Urban Spatial Planning for Sustainable Development " policy model. The hypothesis is that Coastal Urban Spatial Planning will be sustained if there is an integration between spatial planning of land areas and sea areas. The research is exploratory based on prescriptive perspective, combining qualitative research methods (to explore meaning) and quantitative research methods (to explore facts). The research sires include the districts of Palomerak and Bojonegara, Banten Province. The research applies two instruments, Strength, Weakness, Opportunity, Threats (SWOT) analysis and Analytical Hierarchy Process (AHF). Based on the analysis, the result shows that the hypothesis is accepted This results of this research could be useful in developing the policy model of Coastal Urban Spatial Planning for Sustainable Development.