That would depend on where in the world you were starting from, which you have not specified. After that, it would also depend on things like the type of boat and weather conditions.
It would depend on how your traveling...
By boat it would take about 2 weeks with a fairy boat.
How long will it take to get to Amsterdam from new york on a boat
It would take(486.627)/(boat's average speed in knots) hours
By row boat, it would take approximately 20 hours.
Quite long...
It depends on the speed and velocity of the boat.
How fast is the boat going?
about a month
1 to 14 days or more
Your answer depends on the route you take to your ultimate Antarctic destination and the speed of the boat.
7 hours