Mystic Dream Book

by Internet Archive - Anonymous
To dream that you have fallen into the water from some boat or vessel is a sign of misfortune. Do not speculate, or you will lose your money. But to the sailor or anyone professionally connected with the water, this becomes a dream of contrary, and foretells prosperity.

The Fabric of Dream

by Katherine Taylor Craig
To fall overboard denotes poverty, imprisonment and sickness (Raphael). Obviously an anxiety dream.

Dream Dictionary Unlimited

by Margaret Hamilton
If falling overboard, see “falling”; throwing one overboard is unfair rejection: see “rejection”