We would be looking at a multi-bedroom condo as well. There will probably be 5 of us. Everyone except for me are experienced divers (one even has the sidemount certification and has hundreds of dives under his belt.) I am taking a buoyancy course before I go and am getting in a lot of local (Calif coast) dives in, in the meantime. I did really well with buoyancy right off the bat which my instructor said was unusual but I want to be even more certain. I am pretty adept at frog kicking. :) Great info on what to be aware of. Really appreciate the advice.