We spent our honeymoon on Carnival Vista's second voyage. Over 10 days, we traveled to four different countries and enjoyed several of the excursions offered aboard!
The ship itself is huge. It took us several days to learn how to navigate each floor, and the ship is set up a bit differently than the typical cruise ship. There's no efficient way to get from point A to point B, often times it required you to go across one floor, up, and back down to go over. If you have mobility issues, this might prove to be difficult. The physical spaces on the ship are beautiful, not small and even the dining rooms feel more like a high-end restaurant rather than a 'cruise ship'. Some of the lifetime cruisers weren't fans of the ship because the main performance hall was set up with moveable furniture as a multi-purpose space, but I hardly noticed. Still stunning and a great place to spend an evening!
Room: A few days before the trip, I upgraded our room to one with a balcony view for a great deal. Figured it was worth the money given the long trip, and it was a great decision. We had plenty of space for cocktails and morning coffee, and the view each morning was lovely. Bed was comfortable, and room was a great size for two people. I would certainly do this again if I were going to be on the ship for more than 5 days. It was nice having some privacy.