Cô Tô Island is the main island of a nearly-50-island archipelago (around 47 sq km) in the far eastern reaches of Quảng Ninh province, roughly 80km from the mainland and about 260km from Hanoi, in the Gulf of Tonkin. The island sits outside the boundaries of Hạ Long Bay and Bái Tử Long Bay, which has kept it off the main tourist trail and preserved a character that those areas have largely lost.
Settlement History
Originally known as Chàng Sơn, the island was long used only as temporary shelter by Northeastern fishing boats rather than permanently settled, due to persistent pirate raids. Formal settlement began in 1832, when the Nguyễn court, at the request of the regional governor Nguyễn Công Trứ, established the first village here; many of the early settlers were of Chinese origin, from the coastal areas of Guangdong, Fujian, and Hainan.
The island's population changed significantly in 1978, when most ethnic Chinese residents left for China amid the period's Sino-Vietnamese tensions, and it has since been repopulated largely by Vietnamese fisherfolk; today it has a permanent population of around 6,000 residents.
November 1945
The island also carries a more recent layer of history: on the night of November 13, 1945, the Ký Con Company - one of the first main units of the Đông Triều war zone - fought French forces at Đồn Cao, a hilltop position with commanding views the French had occupied; the site is now a provincial historical relic, and a street in the town centre is named after the company in tribute.
Beaches and Cô Tô Con Islet
The beaches are among the cleanest in northern Vietnam - Bãi Hồng Vàn for calm swimming, Bãi Đá Móng Rồng for dramatic rock formations, Bãi Đá Vòm Xi for the cave arch sunset view, Bãi Vàn Chảy, Bắc Vàn, and Bãi Tình Yêu (also known as Bãi Tàu Đắm, or Shipwreck Beach). The uninhabited Cô Tô Con islet nearby, with its own Bãi Nam and Bãi Đông beaches, has become the go-to snorkeling destination in the archipelago, with intact coral reefs, clear water, and soft sand that many compare favourably to the Maldives - most visitors consider it unmissable.