Ngoc Vung Island (Luminescent Pearl Island) is located in Van Don District, Quang Ninh Province. It's about 34 kilometers far from Bai Chay Tourist Wharf. According to an old story told by the locals, Ngoc Vung Island used to be the residence of a rare species of pearl oyster. The number of pearl oyster is too much that the coast was brightened by the light of pearls. Therefore, the inhabitants named it as “Ngoc Vung” Island (Luminescent Pearl Island).

 Ngoc Vung Island is in the shape of crescent and has an area of around 40 square kilometers. On the island is Van Xuan Mountain with the height of 182 meters and a 2-kilometer beach with pure white sand. Ngoc Vung Beach is one of the most beautiful beaches on Halong Bay. The local residents on Ngoc Vung Island live on fishing and pearl farming. Therefore, there are many fishing boats and floating pearl farms near the island.

On Ngoc Vung Island, tourists will have chance to enter the enchanted world of mountain and beach; enjoy quiet and peaceful atmosphere there. Moreover, tourists can relish delicious dishes made from fresh sea products provided by local fishermen. The best way to explore Ngoc Vung Island is by cycling on small roads around the Island.

Besides the value of tourism, Ngoc Vung Island also has a wealthy historical value. Archaeologists found many relics of Halong Culture (dating around 3.000 – 2.000 BC) on the island. In addition, they also found the trails of ancient Cong Yen Port, one in the system of Van Don Commercial Port (in 12th century).