The U.K. cruise line, which launched its latest family-friendly ship, Ventura, last month, has said that it has changed the policy following last year's U.K. legislation to ban smoking in public places.
Here is the deal on where you can (and can't!) light up on P&O's fleet:
Smoking is permitted in one designated internal public space on each ship, while all other internal public spaces are no smoking.
Smoking is still allowed in cabins and balconies on Arcadia, Artemis, Aurora and Oriana.
Smoking is not permitted in any cabins onboard Oceana and Ventura, but is allowed on the balconies.
There are designated external smoking areas on all ships.
P&O has said this policy is under "periodic review" so watch this space for any more changes.
For the latest on smoking rules and regulations as they apply to other cruise lines , check out our At Your Service: Cruise Line Smoking Policies.
--by Kelly Ranson, Associate Editor