These are the best cruise lines and ships of 2021 10Best 3/12/2021 Note from 10Best: Someday, we'll all be ready to pack our suitcases again and head out on our next adventures. In the meantime, we'll keep supporting the places that inspire us. Contact individual cruise lines for the latest updates. Cruising is among the most popular ways to see the world. Unpack once and take in the sights of the world’s rivers and seas from your floating hotel. More than 29 million people cruised in 2019, aboard more than 50 cruise lines sailing in all seven regions of the globe. More than a dozen new vessels are introduced each year, making the sheer variety of cruises overwhelming.