Smoking is prohibited in all interior areas of Disney’s ships in accordance with the Florida Clean Indoor Air Act. Effective November 15, 2013, guests will no longer be permitted to smoke on stateroom verandahs. However, portions of open-air decks on each ship will remain as designated smoking areas.
For more: http://www.usatoday.com/story/cruiselog/2013/08/15/disney-cruise-smoking-ban/2658633/