FLOATING BODY

This floating body comprises: a floating body main body; a compartment for accommodating an ammonia-related device in the inside thereof, the compartment being provided in the floating body main body; a duct for communicating the inside of the compartment and the outside of the compartment, the duct being connected to the compartment; an exhaust fan for discharging air from inside the compartment to outside the compartment via the duct; an absorbent liquid supply line for supplying an absorbent liquid capable of absorbing ammonia; an ammonia removal unit that is disposed outside of the compartment and is capable of causing ammonia that is included in air discharged by the exhaust fan via the duct to be removed by being absorbed by the absorbent liquid supplied by the absorbent liquid supply line; and an absorbent liquid discharge line for discharging at least the absorbent liquid that has absorbed the ammonia in the ammonia removal unit into water on the periphery of where the floating body main body floats.