This policy paper provides an assessment of the blue economy in Egypt, Lebanon, and Tunisia, highlighting the crucial role of regional collaboration in fostering the development of blue businesses in the Mediterranean Sea. It explores the opportunities and challenges associated with the blue sector and proposes strategies for leveraging financial markets to maximize the positive impacts on the blue economy. The paper emphasizes the importance of cooperation among the Mediterranean countries and outlines key recommendations for policymakers, stakeholders, and investors to promote sustainable growth and innovation in the blue economy sector.