Celebrity Millennium

What a cruise roll call is, where to find one, why they fall apart, and how to actually meet the people sailing with you.

The single supplement can add 125-200% to your fare. Here is why it exists, which cruise lines have real solo cabins, which have none at all, and how to sail alone without paying for an empty pillow.

Gratuities, service charges, Wi-Fi, drink packages and excursions can turn a $999 cruise into a $2,200 vacation. What each line actually charges, and how to see it coming.

Cruise ships were built to entertain strangers, not introduce them. Here is what actually works onboard, what does not, and why the best connections start before you board.