This research focuses on the competitiveness of Indonesian tuna in the Japanese market after global maritime fulcrum policy fully implemented in 2015. Using qualitative method, this research mainly relies on the analysis of publicly available secondary data. Applying state-centered approach in international trade with four variables which are: state-strength, social-welfare, promote potential industry, and intervention to increase competitiveness, and thus can explain kinds of government intervention in the market mechanism of a certain commodity. The result shows that global maritime fulcrum policy’s implementation is the evidence of the role of Indonesian government in interfering the market. Intervention is needed to achieve Indonesia’s national interests which are economic sovereignty, fulfilling domestic needs, and to be able to compete globally in the export process of tuna commodity to Japan.