Compendium Kust en Zee is an information platform of the Flanders Marine Institute (VLIZ), based at InnovOcean Campus in Ostend, Belgium. It brings together scientific knowledge and policy information about the Belgian part of the North Sea and the wider marine research landscape. The platform helps users understand how different activities use the sea, presenting summaries of relevant evidence alongside overviews of the policies and legislation that govern marine and maritime activities.

Its resources cover marine research in Belgium, including research infrastructure and funding opportunities for research and innovation. The site also provides publications, news, and access to the Coastal Portal, making it a reference point for people seeking information on the coast and sea. Recent news highlights topics such as ocean protection, international marine agreements, and developments in Belgian marine research and innovation. By organizing material on sea use, governance, research, and publications in one place, Compendium Kust en Zee supports informed engagement with coastal and marine issues. Users can contact VLIZ through the platform for further information.