Cruise ships have their own hidden language, and some announcements are far more important than others. One phrase passengers should never ignore is “Echo, echo, echo,” which travel expert Cody Candee says can be used as a warning to brace for a possible collision. The code may indicate an impact with another vessel or land, or signal danger from strong winds or drifting while the ship is in port. Other unusual announcements can be much less alarming. On some Celebrity cruises, “Purell, Purell, Purell,” followed by a location, reportedly alerts crew members to a mess that needs cleaning. Beyond crew codes, regular passengers have developed their own discreet symbols. An upside-down pineapple has long been associated with the swinging lifestyle, although some cruise lines have reportedly discouraged its use on cabin doors. Pink flamingos have increasingly been used as an alternative symbol, while a blue wristband may suggest that someone is interested in meeting a romantic partner.

Cruise life also comes with exclusive perks for the most loyal travelers. Libby Rome, who has spent years living aboard cruise ships, holds Elite status with Princess Cruises, a tier requiring 15 cruises or 150 sailing days. Her benefits include complimentary laundry, a customizable minibar, special cocktail events, an exclusive evening lounge, discounts, and invitations to gourmet meals with ship officers. Meanwhile, another recent cruise story took a far more tragic turn when 56-year-old Thomas Gigler disappeared during a Carnival Panorama voyage with his wife and sons. Crew members searched the ship, reviewed security footage, and contacted US and Mexican Coast Guard authorities after he was reportedly seen going overboard. His family has continued seeking answers surrounding his disappearance. These stories highlight how cruise ships can combine hidden traditions, unusual codes, luxurious rewards, and serious emergencies—all unfolding far from shore.