Not into an ocean, no, but it makes sense, doesn't it? A journey made on a ship is committed to. Once you depart, it will take time to arrive and time to return. No time is lost when you use this device, which means-

[She smiles, almost laughs.]

-yes, you could discover as much as there is to see here, and never miss a single moment at home. It's as if you never left. That's why it isn't the same, you're not really gone, the way someone at home might see it.