Costa Rica institutes proceedings against Nicaragua with regard to a "[d]ispute concerning the precise definition of the boundary in the area of Los Portillos/ Harbor Head Lagoon and the establishment of a new military camp by Nicaragua" on the beach of Isla Portillos
Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua) - Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) - The Court fixes time-limits for the filing of written pleadings in the case concerning Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) and joins the proceedings in the two cases
Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua) - Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) - The Court to hold public hearings from Monday 3 July to Thursday 13 July 2017
Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua) - Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) - Conclusion of the public hearings - The Court to begin its deliberation
Maritime Delimitation in the Caribbean Sea and the Pacific Ocean (Costa Rica v. Nicaragua)-Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) - The Court to deliver its Judgment on Friday 2 February 2018
Land Boundary in the Northern Part of Isla Portillos (Costa Rica v. Nicaragua) - The Court finds that Costa Rica has sovereignty over the whole northern part of Isla Portillos, including its coast (with the exception of Harbor Head Lagoon and the sandbar separating it from the Caribbean Sea), and that Nicaragua must remove its military camp from Costa Rican territory