It varies by cruise line. Here’s a guide to all the major cruise lines and their smoking policies:
Azamara Club Cruises – You can only smoke in the port side aft section of the Looking Glass Lounge, and on the starboard forward section of the pool deck. You can’t smoke on balconies.
Carnival Cruise Lines – You can smoke in the dance clubs, casino and casino bar, as well as the starboard side of some exterior open deck areas. You can smoke in the jazz clubs of some ships, and on the balconies of all cabins (except for spa cabins). Cigar smoking is permitted on balconies and in the jazz clubs.
Celebrity Cruises – You can smoke cigarettes and cigars only in some indoor and outdoor public areas, including the port side of the pool and sundecks. You cannot smoke on balconies.
Cruise & Maritime Voyages – You can smoke in two designated areas of the open decks only.
Crystal Cruises – Smoking is allowed in cabins but not on verandahs. It’s also allowed in most bars and lounges, in designated areas. Cigar smoking is allowed in the Connoisseur Club or on all open decks except for Lido Deck.
Cunard Line – Smoking is permitted in certain areas of open decks, some bars and lounges and on cabin balconies.
Disney Cruises – You can some on all cabin balconies and on the starboard side of open decks, except for in the area next to Mickey’s Pool.
Fred. Olsen Cruise Line – You cannot smoke anywhere indoors on a Fred. Olsen ship. Smoking is allowed in some open deck areas and on balconies.
Holland America Line – There are designated smoking areas in the majority of the public areas of the ships, while it’s also permitted on open decks and balconies.
MSC Cruises – You cannot smoke in any part of the cabins with MSC, including the balconies. You can smoke in the casinos and cigar rooms, as well as in one specific lounge and on one side of the sun deck.
Norwegian Cruise Line – Some of the ships have dedicated cigar bars. Generally smoking is allowed on open decks and in casinos. You can smoke cigarettes on balconies, but not cigars or pipes.
Oceania Cruises – The only places you can smoke on-board are on the starboard forward area of the Pool Deck, and the aft port side of Horizons.
P&O Cruises – Some open decks allow smoking, while it’s also permitted on balconies.
Princess Cruises – Cigarettes are permitted in parts of the disco and casino, while you can also enjoy cigars and pipes in Churchill’s cigar lounge.
Regent Seven Seas Cruises – You cannot smoke anywhere in staterooms, but you are permitted to smoke in casinos and on open decks, including at pool bars. Lounges have smoking areas,
Royal Caribbean – You are allowed to smoke on the starboard side of open decks, along with in designated parts of the indoor public areas and the balconies.
Seabourn Cruise Line – Guests can smoke in suites and balconies and in parts of the Observation Bar, Sky Bar, Seabourn Square Terrace and Club Terrace.
Silversea Cruises – Smoking is permitted in designated areas of bars, lounges and open decks, as well as in cabins but not on balconies.
Thomson Cruises – The only places smoking is allowed is on some specially designated open-deck areas.
Windstar Cruises – You can smoke on open decks and the port side of the lounge, in the casino and in cabins.