This study aims to determine the estimation of skipjack sustainable potential (MSY), the number of allowable catches (TAC), the level of utilization and the level of effort landed at Sibolga Nusantara Fishing Port, North Sumatra within 6 years (2017-2022). This research was conducted in August 2023 at Sibolga Nusantara Fishing Port, North Sumatra Province. The research method used is survey. P…