PT DKB annually gets losses from the Construction of New Ships due to the lack of production management and the cost budget that continues to be used to pay production fines to stakeholders because it is due to existing contacts. This research aims to analyse the Marketing Strategy for the Production of New Building Ships of PT Dok Kodja Bahari (Persero) in Supporting the Defence Industry which for the past five years has always been losing money.The research method used is the Mix Method with a descriptive design of SWOT Analysis. The results of this study show that (1) PT Dok Kodja Bahari's Marketing Strategy is that quality, cost, delivery, service, health, safety, environment are still inadequate. (2) the obstacles faced by PT DKB in the production of New Building Ships are Capital, poor planning, and TKDN requirements (3) SWOT analysis, marketing strategy that PT Dok Kodja Bahari competitiveness both in terms of technology, human resources, capital and government support through its policies by implementing a cluster of the shipping industry. Utilising a hedging system to reduce interest rates so that capital in the production of New Building Ships that has been set in RAP does not change.