I would totally love to go on a cruise ship one day. 
Me too! I would love to go on a "Cruse to Nowhere" where the ship makes a 2-3 night trip without stopping at any ports on the way.
That does sound interesting. 
Transportation is not the only reason for crusing though, most cruses are "Closed Loop" returning the passengers back to where they left. 
What destination would be your ideal vacation for a cruise? 
I would love to visit Puerto Vallarta! It is a Mexican beach resort city on the Pacific Ocean's Bahia de Banderas! It's so beautiful! 
I've heard about it.  The sand and water is supposed to be pristine. It's definitely one of my desired destinations.
"20 Most Beautiful Beaches in the World"." CNNGo has called it the Best Beach and Island destination in the Philippines for its "extraordinary natural splendor and ecosystem."
Geography.
Situated in Bacuit Bay, El Nido, covering a land area of in the northernmost tip of mainland Palawan, is bordered by the Linapacan Strait in the north, the Sulu Sea in the east, and the South China Sea in the west. It is composed of 45 islands and islets, each has its own unique geological
Cruise ship
A cruise ship is a passenger ship used for pleasure voyages when the voyage itself, the ship's amenities, and sometimes the different destinations along the way (i.e., ports of call), form part of the passengers' experience. Transportation is not the only purpose of cruising, particularly on cruises that return passengers to their originating port (known as "closed-loop cruises"). On "cruises to nowhere" or "nowhere voyages", cruise ships make 2-to-3 night round trips without any ports