Conventions and agreements on Oceans and Law of the Sea
The International Tribunal for the Law of the Sea (ITLOS)
The International Seabed Authority (ISA)
Commission on the Limits of the Continental Shelf
Conventions and agreements on climate and environment:
Convention on Biological Diversity
Convention on the International Maritime Organization (IMO)
United Nations Framework Convention on Climate Change (UNFCCC)
Convention on Environmental Impact Assessment in a Transboundary Context (the Espoo-convention)
Conventions and agreements on refugees and statelessness:
The United Nations Convention relating to the Status of Refugees (1951)
Conventions on cultural heritage:
UNESCO Convention Concerning the Protection of the World Cultural and Natural Heritage (1972)
Overview of treaties: Complete list of Multilateral Treaties deposited with the UN Secretary-General, as of june 2018
United Nations Treaty Collection: United Nations Treaty Collection is a collection of certified true copies of all multilateral treaties deposited with the Secretary-General. Link: treaties.un.org.