Motobu is a town located in Kunigami District, Okinawa Prefecture, Japan.
As of 2013, the town has an estimated population of 13,783 and a density of 253.83 persons per km². The total area is 54.30 square kilometres (20.97 sq mi).
Several islands can be accessed from Motobu, namely the small islands of Sesoko (by bridge) and Minna-jima (by ferry). Both islands are incorporated as part of the Town of Motobu. Ferry service also runs from Motobu Port to Ie-jima. Motobu is served by three large supermarkets and eight individual schools from elementary to high school levels.
Like many towns in Okinawa, Motobu is composed of what were formerly several smaller and independent villages. In addition to Motobu proper other included districts are Sesoko, Kamimotobu, Sakimotobu and Izumi.
In addition to the aquarium other notable sites include Nakijin castle remains, as well as several cafes.