The fourth tradition can be found in the Suda. It claims Eupolis was one of the casualties from the Peloponnesian War, dying "in a shipwreck" within the Hellespont (the Dardanelles). The source for the information is not given. Neither is the death associated with any particular naval battle. Storey notes that the death might be connected to either of three major battles in the region: the Battle of Cynossema (411 BC), the Battle of Arginusae (406 BC) or the Battle of Aegospotami (405 BC).