Handling sanitation in Batam City is the most pressing environmental challenge also requires special attention to maintain environmental quality and public health, one of the coastal settlement areas is Tanjung Uma. In this research, this coastal settlement experiencing problems with marine environmental sanitation caused by waste that is difficult to decompose in a short time, waste that accumulates in the water will become a source of problems that have a direct impact on life around coastal settlements, even triggering unsuitability. One of the main factors is inadequate environmental sanitation in coastal areas are residents throw wastewater and garbage directly into the sea. If didn't got handle, there's a high risk of environmental damage and affect the surrounding community. Based on that, it's important to do condition analysing coastal areas, also develop solutions and strategies to improve effective sanitation systems in order to solve environmental sanitation problems. This research method uses a qualitative approach through interviews and observations to obtain data with literature review that's related to the implementation. With relevant literature that has been collected and analyzed to obtain theories, ideas according to the research discussed. Based on the conclusion in this research, environmental sanitation issues in the coastal settlement of Tanjung Uma still influenced by inadequate sanitation infrastructure, basic services, and bad habits of some residents. Therefore, by implementing an integrated septic tank, support for the provision of clean water, sustainable waste management, and community participation are strategies to improve the quality of environmental sanitation in the area.