That has got to be tough. I always try to look at the decks above and below. Our last Carnival cruise we were below the lido buffet. No real noise problems but at about the same time every night a woman in heels (Sr. staff?) walked through and we heard little other noise from up there.
A Bad Day At Sea [with power] Always Beats A Good Day At Work
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014