Economy, facilities and culture
The economy of the town is based on sugarcane, with the production of brown sugar.
Amagi is served by Tokunoshima Airport. Amagi, as with the rest of Tokunoshima, does not have any passenger railway services, and it is not located on any national highway or expressway. The town is served by Hetono Port. Takehara Hospital is at Hedono.
The town hosts an annual triathlon event.