Sublette is a village in Lee County, Illinois, United States. The population was 449 at the 2010 census, down from 456 at the 2000 census. Sublette is notable as being home to the world's largest private camping resort, Woodhaven Lakes.
Sublette is located at 41°38′35″N 89°13′50″W / 41.64306°N 89.23056°W / 41.64306; -89.23056 (41.643141, -89.230460).
According to the United States Census Bureau, the village has a total area of 0.3 square miles (0.9 km²), all of it land.