The utility model belongs to the technical field of ship engineering, and particularly relates to a marine speaking tube device. The marine speaking tube device comprises a speaking tube, wherein the speaking tube runs through a top deck, the speaking tube comprises an upper mouthpiece located in a command platform over the top deck, and a lower mouthpiece located in a cab under the top deck, and a flexible communication tube is added on the upper mouthpiece. By means of the marine speaking tube device, a person can observe and command at the same time without needing to run to a fixed place to give an order like before, and thereby the efficiency of commanding is increased.