The 16th Annual Conference of the European Society of International Law, entitled, Changes in international lawmaking: actors, processes, impact, will be held 10-12 September 2020 at Stockholm University (Stockholm, Sweden). All agoras could be addressed from a law of the sea perspective, although of particular interest is Agora 1: The Order of the Oceans and Changes in Lawmaking. Abstracts are welcome until 31 January 2020.
The Law of the Sea Interest Group anticipates holding a workshop on the 9 September 2020. The IG usually posts a call for abstract on its website here.
For further information see the main conference website call for papers.