Scuba Diving from a Cruise Ship Scuba dive from a cruise ship Why not scuba dive from a cruise ship?  A Cruise vacation might not be seen as an option for a diving vacation, however, it can be. Millions of people each year spend their vacations on a cruise ship. Once considered a vacation for the rich or elderly, the cruise ships now see passengers in every age group and in many economic groups. Some ships are small with only a hundred passengers or even less. Many of the new cruise ships have well over 5,000 guests onboard. Warm weather destinations are some of the most favorite cruise destinations, however,…