The seas are emerging as critical frontiers for conflict, affecting global trade and energy flows. With nearly one-fifth of the world's oil passing through the Strait of Hormuz, ensuring maritime security is paramount. Current unilateral military strategies are proving inadequate, as seen in the limited outcomes of the April 2026 London Summit, which involved 40 nations but failed to establish a lasting consensus. French President Emmanuel Macron has warned against the erosion of the UN Charter's authority, emphasizing the need for a UN-led approach to mitigate risks associated with maritime conflicts. The UN's peacekeeping framework, traditionally focused on land-based conflicts, must adapt to address the complexities of maritime tensions, which often involve grey-zone tactics and the potential for escalation. The UNIFIL Maritime Task Force's success in Lebanon provides a model for expanding UN engagement in global maritime security. A proposed emergency special session of the UN General Assembly could elevate maritime security as a global priority, followed by a UN Security Council resolution to authorize necessary actions. This initiative would rely on a coalition of willing nations to contribute resources and expertise, promoting collective responsibility for maritime stability. Ultimately, a UN-mandated maritime peacekeeping framework is essential for addressing the vulnerabilities of global sea lanes and ensuring long-term security.