This publication, including annex 2 and annex 3, provides an overview of marine geospatial information management. It addresses important elements for well-structured and integrated marine geospatial information management, including with regard to its infrastructure and systems and population with reliable, timely and quality marine geospatial data that is standardized, interoperable, integrated, and available and accessible for cross-sectoral and multi-disciplinary research, as well as for policy development, decision-making and strategic actions. The publication further discusses the important role of marine geospatial information management in improving our understanding of challenges related to the sustainable future of the ocean and the planet and developing effective risk mitigation strategies.