Rubadub

The Rubadub is a ship/airship in Bravely Second: End Layer. It is first obtained as a seafaring ship in Yunohana and becomes an airship later on. It doubles as a hot spring bathhouse which fully restores the party for free.

Set Sail in the Rubadub
''Finally you can navigate the open seas! Press the A Button at ports or beaches and set sail!''
 * A Seaworthy Vessel

''Enter the bathhouse at any time from the ship icon on the map menu. You can switch to your old rowboat as well!
 * Bathe at Your Leisure

Take to the Skies
Finally, you can get after the Skyhold! To land the ship, find an open area and press the A Button. If you're over open water, the Rubadub can serve as a regular sailboat again.
 * The Airship Rubadub...?

''To summon the Rubadub, touch the ship icon on the map menu. Touch it again to open the ship menu!
 * We Have Liftoff