Minamidaitō is a village located entirely on Minamidaitōjima in Shimajiri District, Okinawa Prefecture, Japan. Minamidaitōjima is located approximately 360 kilometres east of Okinawa Island. Minamidaitō covers 30.7 square kilometres. As of June 2013, the city had a population of 1,418 and a population density of 46.4 people per km2.