We stayed in the Aqua class cabins because we got a good deal (or so I thought). After we purchased the fare, a couple of weeks later the fare dropped an additional $150 ($300 total). And of course Celebrity did not do anything for us. When we arrived at our cabin it seem ok. They had three pieces of fruit and watered down ice tea. There were times that the room was hot. A/C fan wasn't blowing hard and we had it turn up. Also thought we had extra perks with Aqua class. Didn't see anything special. They claimed that the room service menu was extensive, but it was the same as the Concierge class. Also found a pamphlet (on the last day under the bed while looking for my shoes) that had the "extras" for the Aqua class (wish someone would have pointed this out to us when we arrived).
Enjoyed the buffet (as always) and dine at the specialty restaurants, they were excellent. Did not have many activities to do. Everything seem to be related to exercising; Pilates, Zumba etc. We will still sail with Celebrity, just will not sail with the Constellation. We enjoyed the Millennium Cruise Ship much better.
Did not seem to be impressed. This cabin is the same as the Concierge class. The shower was different. It had multiple spray nozzles. Was not aware of the other perks until the last night when I found the Aqua Class pamphlet under our bed while looking for my shoes. Wish someone would had made us aware of this?