Yes - Disney has secret rooms on their cruise ships! We booked room 7120 on both the Magic and the Wonder and saved a couple of hundred dollars with this discount!
Bring a Rain Jacket or Plastic Poncho
Alaska has some crazy weather! We brought along our Northface raincoats, but a reusable Poncho will work just as well.
I suggest working with Sunset Chasers Travel Agency because they are my favorite Disney Travel Agent
There are so many fantastic opportunities to see wildlife in Alaska. Whales, Birds, Bears (maybe?). Bringing the binoculars will allow you to look at the wildlife in a safe space.