In recent years, increasing attention has been paid to the blue economy and its economic and environmental benefits. Renewable energies are an alternative to fossil fuels and can contribute to reducing the carbon footprint of maritime sectors and of the general economy. This article aims to analyze the scientific production in the Web of Science (WoS) database and to propose some measures for future actions. The results indicate new trends in scientific articles related to climate change, aquaculture, blue growth and marine spatial planning, and private administration offering proposals that can be useful for economic progress based on the oceans of the nations that have bet on this model of sustainable development and the need for promoting the green and digital conversion of firms, namely those acting in sea-related activities.