Big data enhances multiple facets of the blue economy by facilitating coordination among various entities in their utilization of natural resources. It can be a vital tool, as it has the potential to create sustainable and practical strategies. The paper uses secondary data to understand the subject under study. Data has been collected from the company's website, newspapers, journals, magazines, and other websites. The present study tries to understand the type of Big Data analytics in companies; to study the companies using big data analytics; to understand the applications of big data into different sectors; to study the key benefits of big data analytics in the blue economy; to study the Data Sources for Blue Economy Analytics. The results show that use of the big data analytics in the blue economy in Sustainable Fisheries Management, Enhanced Shipping Routes, Offshore Energy Development, Marine Pollution Monitoring, Climate Change Impact Assessment, Biodiversity Conservation, Improved Coastal Management.