An antifouling coating film excellent in film solubility and antifouling performance; an antifouling coating material forming the film; a submerged structure having the antifouling coating film; and an antifouling method. The antifouling coating material comprises a polymer having specific organosilicon ester groups and a polymer having specific metal carboxylate groups. The antifouling coating film is formed from the antifouling coating material. The submerged structure has the antifouling coating film. The antifouling method comprises applying the antifouling coating material.
