FLOATING STRUCTURE

The present invention provides a floating body comprising: a main floating body; a tank provided to the main floating body, the tank having a tank body capable of storing liquefied gas therein and a heat shield wall for covering the outer surface of the tank body; a receiving part disposed below the tank so as to cover the tank from below, the receiving part having a receiving surface and a recess indenting downward relative to the receiving surface; a pump provided in the recess; and a return line for returning, into the tank body, the liquefied gas pumped by the pump.