Fire codes are very arbitrary. In Hawaii, you can only sleep 4 in a hotel room regardless of size--in some hotels, even if it's a suite. It has nothing to do with number of exits, square footage, bed space etc, but is a simple number based on a single booking of a room/suite. Obviously, this isn't the same with condos, but for hotels there, that's the rule.
I'm glad my family of 5 can legally book one room in DLR although I'm sure we're safer in our 2 rooms in Hawaii with the family split up