The Western Indian Ocean is one of the world’s most biologically rich and economically vital marine regions. WIOMSA strengthens the science, governance, and conservation systems required to safeguard its ecosystems and the millions of people who depend on them.
Renata Romeo / Ocean Image Bank
Peter Chadwick
Supporting countries to achieve the Global Biodiversity Framework through integrated, science-driven systems that link data, policy, finance, and on-the-ground implementation
Building the conservation intelligence architecture of the region—harmonising monitoring tools and strengthening management effectiveness systems.
Advancing science and policy for seagrasses, mangroves, and coral reefs.
Professionalising marine conservation across the Western Indian Ocean through certification and training.
Ben Jones / Ocean Image Bank
WIOMSA is a science-policy platform connecting researchers, governments, and practitioners. Access regional status reports, publications, policy briefs, data platforms, and thematic working groups.


Strategic investment in science-driven conservation, monitoring systems, and workforce development will determine whether the region achieves 30×30 and long-term resilience. Partner with WIOMSA to secure one of the world’s most vital ocean regions.
A prosperous Western Indian Ocean region with healthy rivers, coasts and oceans—supported by science, guided by policy, and sustained through regional cooperation.
Physical Address: Mizingani Street, House No. 734, Zanzibar.
Postal: P. O. Box 3298, Zanzibar, United Republic of Tanzania.