Count Dracula and company participate in a cruise for sea-loving monsters, unaware that their boat is being commandeered by the monster-hating Van Helsing family.
Mavis surprises Dracula with a family voyage on a luxury Monster Cruise Ship so he can take a vacation from providing everyone elses vacation at the hotel. The rest of Dracs Pack cannot resist going along. But once they leave port, romance arises when Dracula meets the mysterious ship Captain, Ericka. Now its Mavis turn to play the overprotective parent.
The monster family embarks on a vacation on a luxury monster cruise ship so Drac can take a summer vacation from providing everyone elses vacation at the hotel. Its smooth sailing for Dracs Pack as the monsters indulge in all of the shipboard fun the cruise has to offer, from monster volleyball to exotic excursions, and catching up on their moon tans. But the dream vacation turns into a nightmare when Mavis realizes Drac has fallen for the mysterious captain of the ship, Ericka, who hides a dangerous secret that could destroy all of monsterkind.