To enjoy a unique holiday season away from the bustle of crowded shopping malls, the stress of planning that perfect family meal and with absolutely no cleaning up to do whatsoever, it's time to book yourself a cruise with your loved ones for Christmas. Here are the top five reasons to plan your next festive holiday at sea. Christmas 2021 Celebrations On Cruise! 5 Reasons To Convince You To Celebrate Xmas Day Lavishly on a Cruise.