Trincomalee is a destination of rare and layered appeal, built around one of the world’s finest natural deep-water harbours on Sri Lanka’s east coast. Spectacular beaches and gin-clear diving waters sit alongside ancient Hindu temples and crumbling colonial fortifications, creating an environment unlike anywhere else on the island. The sacred Koneswaram Temple, perched dramatically on Swami Rock above the open ocean, carries profound spiritual significance, while the nearby Pigeon Island National Park offers some of the country’s most rewarding snorkelling, with thriving coral gardens and resident blacktip reef sharks.