Just returned from an excellent cruise on the Arcadia. Our first priority is a quiet cabin; there's no point if everything else is fine if you're then disturbed every night or during the day when you want to have a rest.
Due to its unusual configuration there was no noise from the adjoining cabins apart from a two second, faint mechanical noise from the next door cabin toilet whenever it was flushed; a noise hardly noticeable and masked by the air conditioning in our room. The lack of noise wasn't solely due to the quietness or otherwise of the neighbours( a couple of women), but the extra layer of the noise insulation provided by the cupboards and bathroom in the adjacent cabins. Without going into too much detail how I did sound tests to check what it would be like if there was a lot of noise emanating from from the adjoining cabins, I was satisfied that even if our neighbours were persistent coughers, watched their TV at full volume, or talked loudly, then the noise insulation would mask the sound.
Couldn't find anything else to complain about on the cruise- probably our best ever.
I'm not disclosing which cabin it was, we would like to book it next time so we wouldn't want to advertise its number.