Your answer depends on your points of departure and destination, the type and size of the watercraft you choose, and the speed at which you choose to travel.
they travel by boat or they could travel by walking
Your answer depends on where in Antarctica you choose to dock, the speed of your boat and the route you choose.
around a 7 - 11 days
If there is a service that provides that, then it would be thousands of pounds (at least). The ship would have to travel round half the world to get there.
I'll be honest. A while.
on sledges, walking, and they got there by boat
Yes you can if you take a boat or a plane
By boat it would take about 2 weeks with a fairy boat.
21 daysYour answer depends on where in Australia you begin your voyage, where in Antarctica you intend to go, and the speed of your vessel.
Logistically, you can set foot on the continent after an airplane flight, or a boat ride.
You can book passage on a tour boat to travel there, or you can charter a private expedition from New Zealand, Australia, Chile or Argentina.
? But you could travel by aeroplane