Beer and awamori are the favorites on Minamidaito. In the bars most beer is Okinawa's Orion Beer, although Yebisu can also be found. Most locals tend to have one glass of Orion then share out a big bottle of awamori.
Chu-hi, the vodka fruit drink, is also in supply, and most bars also have other drinks if requested.
The island's own produce, Cor Cor rum, is available but not often seen, probably because rum is unpopular with Japanese people.
As for soft drinks, look for Daito's fresh shikwasa bitter orange juice.