I was really surprised. I've cruised RCCL, Carnival, and Princess in the past and never had a problem. Perhaps the ventilation was having issues on our sailing, but it was really bad. Everyone in my family commented on it the minute we walked on board. We couldn't even watch the welcome parade because our eyes were watering. That was the last time I sailed on RCCL. I've looked at a few sailings, but I haven't been able to bring myself to book since we had such a negative experience. It's a little reassuring that a few people think it's okay, but the fact that one person also says it's bad makes me hesitate. I'm looking at Disney or Celebrity instead. I think my kids would prefer the ship on RCCL over Celebrity. We love Disney, but it's twice as much as the others. Decisions, decisions.