1 Introduction
2 The European Union
2.1 Coordination among the EU and its Member States
2.2 Coordination within Member States
2.3 Coordination with international organizations and non-EU countries
2.4 Coordination with stakeholders
3 The United States
3.1 Coordination among federal agencies
3.2 Coordination among states and regions
3.3 Coordination with regional neighbours
3.4 Coordination with stakeholders
4 Shared challenges and opportunities for cooperation
4.1 Comparison of the EU and US maritime governance
4.2 Summary of opportunities and challenges in the EU and in the US
4.3 Common opportunities
4.4 Common challenges
5 References