Viking Sea · October 24, 2026 Roll Call

Find the best cruise lines for adults, from genuinely kid-free ships to lifestyle charters and adult-only retreats. Compare age restrictions, included perks, extra costs, and the fine print before booking.

Is an adults-only cruise worth the extra money? We examine advertised fares for two seven-night Caribbean sailings, gratuities, included extras and cabin differences to help you build a realistic budget.

What actually happens on embarkation day, why trying to board first is a waste of your vacation, what belongs in your carry-on, and how to start the week the way you meant to.

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.