The utility model relates to a floating shed, which comprises a shed frame and a buoyancy adjusting mechanism.The scaffold is hollow at least in part.The buoyancy regulating mechanism is arranged on the scaffold and controls the sea water and the gas with a specific gravity less than sea water to enter and leave the hollow part of the scaffold, so as to control the scaffold to float above or sink below the sea surface.Therefore, the weight of the floating shed is lighter than that of the conventional solid shed, and it can be controlled by the buoyancy adjustment mechanism to float out of the sea or sink into the sea without additional floating balls or pontoons, which is low-cost, easy to assemble and environmentally friendly.一種沉浮式蚵棚,包括棚架及浮力調節機構。棚架至少一部分是中空的。浮力調節機構設於棚架並控制海水及比重小於海水之氣體進出棚架中空的部分,以控制棚架浮出於海面之上或沉入於海面之下。藉此,本創作之沉浮式蚵棚比習用的沉浮式蚵棚的實心棚架的重量輕,且能藉由浮力調節機構控制其浮出於海面之上或是沉入於海面之下,無須另外裝設浮球或浮筒,成本低、易組裝且環保。