What were the myths with traveling by sea?

Myths about traveling by sea included the belief that the Earth was flat, leading sailors to fear they would fall off the edge of the world. Many also thought that sea monsters lurked in the depths, ready to devour ships and sailors. Additionally, there were superstitions about bad luck associated with certain practices, such as women aboard ships or specific types of cargo. These myths often reflected the fears and uncertainties of early maritime exploration.