Look for drama and you will not find it. Koh Sdach runs about 2.8 kilometres north to south, curved like a bean, low enough that no part of it commands a view of any other part. It sits a kilometre and a half off the shore of Botum Sakor National Park, in Kiri Sakor district of Koh Kong province, and it is the capital of an archipelago of twelve islands scattered close to one another and close to the mainland. The forest that covers it is mostly no longer forest in the wild sense — natural jungle has been steadily replaced by coconut and other planted crops grown to sell. The people live in the north; the southern third is effectively empty. Off that quiet southern end, 250 metres away, lies a scrap of land 500 metres by 300 called Koh Khmauch, កោះខ្មោច — Ghost Island.

The village strings out along the eastern shore, facing the mainland, in the way that coastal settlements do everywhere they have to launch boats: houses close to the water, boats closer still, everything else arranged behind. The families here trace their descent to Khmer and Chinese ancestors — a mixture that says a good deal about how this coast has actually worked over the last century and a half, whatever the borders drawn across it have said. The Gulf of Thailand has always been a place where people, boats and languages moved more freely than governments preferred. On the western side there is a small Khmer-run bungalow guesthouse; at the southern tip, a luxury resort. Koh Sdach has two beaches, one facing south and one facing west toward the sunset.

Roughly seven working people in ten here fish for a living; most of the rest farm or run small businesses. Much of the economy is subsistence in the plainest sense — you eat what you catch and sell what is left. Where it stops being local is at the point of sale. Most of the catch that leaves Koh Sdach goes to Thailand, not to Phnom Penh, and the currency that circulates here is the US dollar rather than the riel. Both facts describe the same condition: a village whose economic gravity pulls outward, across water, toward buyers in another country, rather than inward toward its own capital. It is a common arrangement on this coastline, and it makes island communities like this one unusually sensitive to prices and politics they have no part in setting.

For most of its existence Koh Sdach's mainland horizon was the low green wall of Botum Sakor — one of Cambodia's largest national parks and, from the water, an unbroken line of coastal forest. That view is being rewritten. Roughly sixteen kilometres east, inside the boundaries of that same national park, sits Dara Sakor: a vast Chinese-backed development on a ninety-nine-year concession, with an international airport whose runway opened to traffic in the 2020s. Villages on the mainland were cleared to make room for it. From a fishing island of 2.8 kilometres, watching a jet climb out over a national park is a strange thing to be able to do. The spring in the rock still runs. Whether Koh Sdach's next century looks anything like its last is being decided over there, on the shore, not here.