Floatable building structure for island reef

The utility model discloses a floatable building structure for island reefs, which relates to the technical field of offshore building structures and comprises a connecting base, a floating mechanism is arranged at the top of the connecting base, a stabilizing mechanism is arranged at the bottom of the connecting base, and the floating mechanism comprises a vertical rod. The vertical rod is fixedly welded to the top of the connecting base, a sliding seat is slidably connected to the outer wall of the vertical rod, a warning lamp is fixedly installed at the top of the vertical rod, and a sealed storage box is fixedly installed at the top of the sliding seat. The sealing cover is opened in advance, then exploration equipment is installed on the top of the installation base, buoyancy can be provided for the sliding base through the design of the floating plate, the sliding base can slide on the outer wall of the vertical rod along with rising of the sea level during rising tide, and the function of automatically