Kokkilai Lagoon & Bird Sanctuary is a beautiful coastal wetland located on the border of the Mullaitivu and Trincomalee districts in northeastern Sri Lanka. This protected sanctuary is known for its rich biodiversity, especially its large population of migratory and resident birds. Species such as flamingos, pelicans, herons, and egrets can often be seen around the lagoon. Surrounded by mangroves, sandy shores, and calm waters, the sanctuary also supports fish, crabs, and other wildlife. Kokkilai Lagoon is an important ecological habitat and a peaceful destination for bird watchers, nature lovers, and those interested in Sri Lanka’s unique coastal ecosystems.