Halong Bay is a spectacular location for sightseeing in Vietnam. Located in the Gulf of Tonkin, it forms an amazing seascape of limestone pillars along with more than 1,600 islands and islets. The visitors seem to discover paradise in Halong Bay with the clear water of the Bay, with some large islands and small alcoves with sandy beaches facilitating a relaxed swimming in the calm bay water.
Halong Bay is one of the most visited and recognized of the Vietnam tourist attractions. It houses a great diversity of ecosystems including coral reefs, freshwater swamp forests, mangrove forest, small freshwater lakes, and sandy beaches. The islands feature beautiful grottos and caves with interesting stone formations and hidden ponds.