Except when you sail off too far Mr. Kingly Red Lion Guy forces you to turn around. Obviously the new land is beyond that point.
Thank you! The whole point of Wind Waker was "Look morons, there's more to this world than this damned underwater continent you're so damned obsessed with reviving - move on, leave the Great Sea, find something more worthwhile than this shit."
The artist formally known as macweirdo42, formally known as weirdguy (it's a long, uninteresting story).