Blue economy can play a significant role in eradication of poverty contributing to food and nutrition security, mitigation and adaptation of climate change, and generation of sustainable and inclusive livelihoods, Therefore, blue economy requires a balanced approach between conservation, development and utilization of marine and coastal eco-systems, all oceanic resources and services with a view to enhancing value and generates decent employment, and secures productive marine economy and healthy marine eco-system, Primarily , blue economy should have adequate focus on well-being and live hood of people , Secondly, engagements between countries and stakeholders on blue economy should be based on the principles of mutual trust and respect, equitable mutual benefits and sharing of benefits to secure sustained and beneficial outcome of all ocean-centric enterprises. It is needless to say that for most of the developing states, particularly for Bangladesh maing transition to blue economy world, entail fundamental and systemic changes in their policy movement and governance frameworks, It will also necessitate the identification of various maritime economic functions, Because, maritime functions in the context of blue economy are not related to economic sectors only, They cover their relevant paritime value chains including backward and forward linkages.