The nexus of immigration maritime border control is characterized by three key components, namely formalities, facilitation, and security. These components are analyzed based on 29 national laws about maritime border, which are categorized into 10 clusters based on the roles and responsibilities of Indonesian border agencies. Therefore, this research aimed to explore and reconstruct legal framework governing maritime border control of Indonesia, examine clearance and reconstruction process and redefine the associated concepts. It focused on immigration surveillance, operations, patrols and control with data-driven profiling and border risk assessment. © 2024 The Authors