A waterproof speaker device includes a plate member, a speaker unit and a waterproof frame. The plate member includes an encircling block wall and a sound hole. The encircling block wall is provided on the plate member, and the sound hole passes through the plate member and is located within the encircling block wall. The encircling block wall is quadrilateral and includes four first positioning portions, and the first positioning portions are respectively located at four corners of the encircling block wall. The speaker unit is near the sound hole, and the encircling block wall surrounds the speaker unit. The waterproof frame is located between the encircling block wall and the speaker unit. The waterproof frame is quadrilateral and includes four second positioning portions, the second positioning portions are respectively located at four corners of the waterproof frame, and the first positioning portions respectively match the second positioning portions.