This was our first criuse. We wanted to check if we get seasick. We are a Family of 5 and although one of our cabins was large enough, we were required to book two cabins.
So we booked two cabins in one reservation. They still put two floors between the two rooms.
At booking we were promised side by side cabins. The booking however was done with a marketing company that never revealed their real name.
Nice cabins. Only downside was A/C issues that were not fixed.