From the Database: Largest MPAs by Hemisphere

MPA News

The following data are from the World Database on Protected Areas, compiled by the UNEP World Conservation Monitoring Centre. Information on each of the MPAs is available at

Southern Hemisphere:

  1. Kermadec Benthic Protection Area, New Zealand: 620,467 km2
  2. Chagos Environment Preservation and Protection Zone, British Indian Ocean Territory: 544,000 km2
  3. Phoenix Islands Protected Area, Kiribati: 410,500 km2

Northern Hemisphere:

  1. PapahanaumokuÄakea World Heritage Site, US: 362,075 km2
  2. Marianas Trench Marine National Monument, US: 246,608 km2
  3. Pacific Remote Islands Marine National Monument, US: 225,038 km2