From the Ushuaia port in Argentina, over 70 women with backgrounds in science set to spend 20 days at sea.
The voyage is part of the Homeward Bound initiative, an Australian programme aimed at increasing the representation of women in top science jobs across the globe.
"We're missing half the voice at the leadership table," says Dr Jessica Melbourne-Thomas, who along with entrepreneur and management expert Fabian Dattner, came up with the idea.
The pair met during a leadership development course run by Dattner, and their frustration at the challenges faced by women in science quickly became a bold idea.
(Excerpts from BBC News)