Earlier this year, Carnival Cruise Line hesitantly dipped its toes into adults-only cruising as a way to fill cruise schedule gaps created by postponed dry dock maintenance for a couple of its ships.

Cruise passengers are often unsure about what’s appropriate when it comes to tipping cruise port luggage porters.

I took a 5-night cruise on a Royal Caribbean ship, exploring Carnival's private port of Amber Cove. The experience was ...