The United Nations Environment Programme (UNEP): UNEP is the leading global voice on the environment. UNEP works to promote the sustainable development of the blue economy through a variety of initiatives, such as the Blue Economy Initiative and the Sustainable Oceans for All programme.

The World Bank: The World Bank is a global financial institution that provides loans and grants to developing countries. The World Bank works to promote the sustainable development of the blue economy through a variety of initiatives, such as the Blue Economy for Development programme and the Sustainable Fisheries Management programme.

The International Maritime Organization (IMO): The IMO is an intergovernmental organization that sets international standards for shipping. The IMO works to promote the sustainable development of the blue economy through a variety of initiatives, such as the International Convention for the Prevention of Pollution from Ships (MARPOL) and the International Convention on the Safety of Life at Sea (SOLAS).

The Global Environment Facility (GEF): The GEF is a global fund that provides grants to developing countries to protect the environment. The GEF works to promote the sustainable development of the blue economy through a variety of initiatives, such as the Marine and Coastal Ecosystems programme and the Coral Reefs at Risk programme.

The Sustainable Fisheries Partnership (SFP) is a non-profit organization that works to promote sustainable fisheries around the world. The SFP has a number of projects that are helping to improve the sustainability of fisheries, including:

The Sustainable Shrimp Partnership (SSP) is a project that is working to improve the sustainability of shrimp aquaculture. The SSP is working with shrimp farmers to reduce their environmental impact and improve the welfare of their shrimp.

The Sustainable Tuna Partnership (STP) is a project that is working to improve the sustainability of tuna fishing. The STP is working with tuna fishers to reduce their bycatch and improve the traceability of their tuna.

The World Wildlife Fund (WWF) is a non-profit organization that works to protect the environment. The WWF has a number of projects that are helping to promote a blue economy, including:

The Marine Stewardship Council (MSC) is a non-profit organization that works to certify sustainable seafood. The MSC certification program helps consumers to identify seafood that has been caught or farmed in a sustainable way.

The Rainforest Alliance is a non-profit organization that works to promote sustainable agriculture. The Rainforest Alliance certification program helps consumers to identify seafood that has been caught or farmed in a way that protects the environment and the livelihoods of local communities.

The International Union for Conservation of Nature (IUCN) is a non-profit organization that works to conserve nature. The IUCN has a number of projects that are helping to promote a blue economy, including:

The World Oceans Review is a project that is working to assess the state of the world's oceans and identify the challenges and opportunities for a sustainable blue economy.

The Blue Growth Initiative is a project that is working to promote sustainable development in the ocean. The Blue Growth Initiative is working with governments, businesses, and civil society to develop policies and practices that will support a sustainable blue economy.

These are just a few of the many organizations that are working to promote the sustainable development of the blue economy. By working together, these organizations can help to ensure that the blue economy can continue to provide economic opportunities for coastal communities and contribute to global economic growth.