Ocean Cay MSC Marine Reserve is MSC Cruises’ new private island located in The Bahamas that features uninterrupted sweeping views of crystal blue waters and over two miles of pristine beachfront spread across eight world class beaches allowing guests to connect with the natural environment and its beauty, feel the warmth, fun, and hospitality of the Bahamian spirit and immerse themselves in an ecologically-intelligent atmosphere.

One essential is sorted, at least, as modern cruise ships are capable of producing a large proportion of their own fresh water. LogisticsDuring the season, cruise ships tend to follow set itineraries, stopping at every port for some 10 hours on average. And with cruise ships getting larger every year, the logistics involved are staggering. Take, for example, the Symphony of the Seas, currently the world's largest cruise ship. Here are some from the world's largest cruise ships.