This dataset delineates the Kiribati Marine Protected Area (MPA), representing a designated marine zone established to conserve and protect marine ecosystems, habitats, and species within Kiribati's waters. Marine Protected Areas are established under national legislation and international frameworks to safeguard biodiversity, support sustainable fisheries management, and preserve critical marine habitats. The MPA designation enables Kiribati to implement measures for the conservation of marine living resources, protection of endangered species, preservation of coral reefs and other sensitive ecosystems, and promotion of sustainable use of marine resources in accordance with the United Nations Convention on the Law of the Sea (UNCLOS) and the Convention on Biological Diversity (CBD).