You can dress up, or just watch the fun. Dress on board during the day is casual and relaxed. Don't go out and buy new clothes. Your daily program will list the attire for the day. Please remember that shorts are not permitted in the dining room at dinner.
Shorts are fine for breakfast and lunch in the dining room.
Bathing suits are not allowed in the dining room at any time. While you are in port, the casino and shops aboard ship will not be open, but your ship is always available for activities and meals. You can come and go as you please. Your ship is your own floating resort. The shore excursion office will have information on various shore excursions offered in each port.