Since 2019, the Center of Excelent (CoE) for Underwater Infrastructure Development in the Melaka Strait Waters of Politeknik Negeri Bengkalis has focused on research and development of the Automatic Identification System (AIS) for the purposes of ship security and safety at sea. Many fishermen on the island of Bengkalis do not use AIS devices because the price is quite expensive, so fishermen cannot monitor the presence of ships around them which causes many ship accidents. In this research, Smart Mobile AIS Polbeng is proposed: Development of Mobile Applications for Ship Monitoring Based on Polbeng AIS Data in the Strategic Waters of the Malacca Strait. With this system, it is expected to provide convenience in monitoring ships in the waters around the island of bengkalis, namely the bengkalis Strait and the Malacca Strait. Mobile-based monitoring applications can be used by related parties in monitoring ships around and can also be used by fishermen to monitor existing ships so as to minimize the occurrence of ship accidents. In addition, using this mobile application can reduce the cost of fishermen in monitoring ships compared to using AIS devices at a fairly expensive price.