Standing invitations are extended to a number of specialist maritime organisations, including:
- International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA)
- International Maritime Organization (IMO)
- Regional Cooperation Agreement on Combating Piracy and Armed Robbery Against Ships in Asia (ReCAAP) Information Sharing Centre
- Secretariat of the Pacific Community (SPC)
- Secretariat of the Pacific Regional Environment Programme (SPREP)
- International Hydrographic Organization (IHO)
- International Labour Organization (ILO)
- Tokyo MoU
- APEC Seafarer Excellence Network