The blue economy is a sustainable marine economy that produces economic and social benefits and preserves the environment in the long term and no longer depends on development by over- exploiting natural resources. The aim of this research is to find out how the application of the blue economy concept can increase people’s income and to find out the challenges and obstacles faced in implementing the blue economy concept to increase people’s income. Several principles in the blue economy include natural efficiency, zero waste, multiple revenue, and social care. The method used in this research is a qualitative approach. The research results show that the implementation of the four principles and ten indicators of the blue economy has been achieved by 80%.