The present invention relates to a floating structure. According to an embodiment of the present invention, the floating structure comprises: a cantilever which is transferred to the outside or inside of a main body; a skid device which transfers the cantilever to the outside or inside of the main body; and a support unit which supports the bottom surface of the cantilever and is connected to the main body to be rotated. Thus, the present invention prevents the cantilever from sagging.
