CIMA has participated in a large number of international projects and collaborations: almost 140 research projects and 423 scientific publications between 2015 and 2020. Moreover, during this period, an important part of the CIMA budget was obtained through international funding. Regarding advanced training, CIMA collaborates with numerous international universities and research centres to develop master and doctoral dissertations, Erasmus internships, etc.

As a result of the consolidation of the international partnerships, CIMA is represented, through its members, in several commissions of international relevance, such as:
  • The World Ocean Assessment I, II and III
  • The Working Group CLEAN OCEAN established under CP-COI to contribute to the development of Ocean Science Decade of the Intergovernmental Oceanographic Commission of UNESCO
  • The European Platform of Women in Science of the European Union
  • The Portuguese Advisory Group for the Extension of the Portuguese Continental Shelf
  • The General Assembly of Portuguese Association of Women in Science – AMONET
  • The COI-Intersec Working Group
  • 1st DOSI Pollution and Debris Working Group
  • The pool of experts for the second United Nations World Ocean Assessment
  • Horizon Europe
  • The IMBeR – Integrated Marine Biosphere Research
  • The Future Earth Coasts
  • The Palynological Society
  • The Ocean Knowledge Action Network
  • The Horizon Europe Pillar 2 Cluster (Food, Bioeconomy, Natural Resources, Agriculture & Environment)
  • International  Seabed  Authority  (ISA)  Technical  Working  Group  (TWG)  on  the development of guidelines on the expected scope and standard of baseline data collection
  • The Estuarine and Coastal Sciences Association (ECSA)
  • European Engagement Partner of Future Earth Coasts, (FEC, formally LOICZ)
  • RAMSAR Mediterranean Wetlands Scientific and Technical Network Climate Change Specialist Group
  • The Future Earth Ocean Knowledge Action Network development team
  • The Integrated Marine Biosphere Research (IMBeR), Science Executive Committee
  • The Future Earth Coast Academy
  • The Dialogue Forum of the Oceans-Pact