Thanks for the input. We have always cruised with Carnival in the past, but it would be RCCL this time. I did not look into the minimum yet, but I did see on their site that they will only provide babysitting services for children 1 year and older.
At five months I figure my son will sleep through most stuff and probably won't even be noticed, but you never know. I used to be one of those people who got annoyed with other people's whining/crying children.....a cruise is a big expense, I don't want to ruin it for other people.
I still welcome any other feedback....thanks!
Gina