| Rank | largest island of the Si Phan Don archipelago in the Mekong |
|---|---|
| Size | 18 km long and 8 km wide at most |
| Villages | 19 villages; main towns Muang Saen and Muang Khong |
| Economy | mainly fishing |
| Province | Khong District, Champasak Province |
Mostly local people live on fishing but the biggest business here is palm sugar production due to the lagre number of palm trees.
The pace of life on this island is slow and in addition, not many travellers know about it, so Khong island is a great place to relax and refresh your mind. There is a good range of hotels and guesthouses always available for the tourists, who are attracted by the gentle pace of life here.
Khonephapheng waterfall on the island is one of the largest falls in Southeast Asia, it’s a good point for a trekking day tour .And alot of fishing villages along the river bank such as Muang Saen, … to visit and know more about the daily life of local people, a good way for tourists is hiring a boat and sailing around. There are also a number of pretty temples and monasteries to explore on Khong Island, among them Wat Phu Khao Kaew is the favorite one where tourists can visit and talk with the monks to know more about their life.
Khong Island, with its lovely fishing villages, serene monasteries and lush vegetation offers a unique opportunity to experience the peaceful Laotian lifestyle. Many tourists combine their visit to the island with a visit to the nearby Don Det and Don Khon Islands.
The largest of the Four Thousand Islands
English Wikipedia describes Khong Island, or Don Khong, as the largest island and the seat of administration of the Si Phan Don archipelago in the Mekong River, in Champasak Province. It is 18 kilometers long and 8 kilometers wide at its widest point, with 19 villages concentrated mainly around Muang Saen in the west and Muang Khong in the east, and its main income is fishing. A former President of Laos has a residence on the island, a possible explanation for its asphalted roads and electricity. We have not verified the older text on prices, opening hours, transport or tours, so check them before you go.
Sources (read in English, English Wikipedia): Don Khong. Last checked November 2026.
Khong Island: FAQ
How big is Khong Island?
18 km long and up to 8 km wide.
What is the main town?
Muang Khong, the de facto capital.
What do locals do?
Mainly fish.
What archipelago is it in?
Si Phan Don in the Mekong.
How many days do you need?
Two nights.