As of 2015, adults-only cruises are difficult to find, but several cruises lines offer adults-only areas aboard their ships, such as the Sanctuary by Princess Cruises and Serenity by Carnival Cruises, notes CruiseCritic.com. Customers interested in an adults-only cruise to the Caribbean should search for cruises that uses ships with these areas. Other options to consider are luxury cruise ships and smaller cruise ships, which tend to attract older travelers.
Princess Cruises offers the adults-only Sanctuary and Retreat Pool on its Royal Princess line of ships. The Sanctuary has plush loungers, daybeds and Serenity Stewards available to assist passengers. There are four private Sanctuary Cabanas available with a private television, snacks, cocktails and sofas. Two Lotus Spa Cabanas offer spa treatments, such as messages.
Other options for an adults-only Caribbean cruise are luxury ships such as Reagent Seven Seas Cruises, Seabourn Cruise Line or Silversea Cruises. While children are allowed on these cruises, they are geared towards adults. The cruises tend to be more expensive and lack children's activities, so few or no children are typically vacationing on these lines, notes CruiseCritic.com. Smaller cruise ships are another good option because there are few children's activities on these cruises.
Passengers interested in adults-only cruises to the Caribbean should also considered longer cruises of 10 nights or more because families typically take cruises that last a week or less.