• EuroGOOS
• Mediterranean GOOS
• Black Sea GOOS
• NEAR (North-East Asian Regional)-GOOS
• PI-GOOS
• Indian Ocean GOOS
• IOCARIBE-GOOS
• GOOS-Africa
• US GOOS
• Southeast Asian GOOS (SEA-GOOS)
• OCEATLAN
• GRASP

Other developing regional alliances (in grey above):

• SAON Sustaining Arctic Observing Networks
  
• SOOS Southern Ocean Observing System  Workshop 2007