Provided is a water-resistant sound transmitting member that is reliably released from a release paper when a protruding section of a tab is pulled. A production method for this water-resistant sound transmitting member (2) includes: a step in which a first layer (71), a preliminary film body (61), a second layer (72), and a preliminary tab body (63) are laminated in said order and a laminate (52a) is prepared; a step in which a blade (90) is inserted from the first layer (71) in the laminate (52a) towards the preliminary tab body (63), the first layer (71), the preliminary film body (61), and the second layer (72) are cut and a first adhesive layer (21), a water-resistant sound transmitting film (11), and a second adhesive layer (22) are formed, and a notch (13n) that connects to the end surfaces of first adhesive layer (21), the water-resistant sound transmitting film (11), and the second adhesive layer (22) is disposed in a surface on the second layer (72) side of the preliminary tab body (63); and a step in which the preliminary tab body (63) is cut and the tab (13) is formed.