You conjure into existence a fine, seaworthy ship in range to carry you and your companions safely and comfortably for the duration.

A caravel is a fairly small, double-decked sailing ship. It holds a generous amount of cargo and offers cramped quarters for crew and passengers. The ship produced by this spell has even more room for cargo and passengers, contained within an extradimensional space.

The entry point to this space is a hatch on the aft upper deck. Lifting the hatch reveals a set of wooden stairs, which descend about 6 feet to a horizontal shimmering in the air about 5 feet wide and 10 feet tall. You can open or close the portal if you are within 30 feet of it. While closed, the portal is invisible. You and any creature you designate when you cast the spell can enter the extradimensional space as long as the portal remains open. All others instead continue descending the steps to an ordinary cargo hold.

Those who pass beyond the portal’s entrance find themselves in a magnificent foyer with many staterooms whose doors open from this space. The atmosphere is clean, fresh, and warm.

You can create any deck plan you like, but the space can’t exceed 50 cubes, each cube being 10 feet on each side. The place is furnished and decorated as you choose. The galley contains sufficient food to serve three full meals for up to 100 people. A staff of 100 near-transparent servants attends all who enter. You decide the visual appearance of these servants and their attire. They are completely obedient to your orders. Each servant can perform any task a normal human servant could perform, but they can’t attack or take any action that would directly harm another creature. Thus the servants can fetch things, clean, mend, fold clothes, light fires, serve food, pour wine, and so on. The servants can go anywhere in the space but can’t leave it. Furnishings and other objects created by this spell dissipate into smoke if removed from the space. When the spell ends, any creatures inside the extradimensional space are expelled into the open spaces nearest to the entrance.

Since the extradimensional space can be entered only through its portal, outside conditions do not affect the passenger space, nor do conditions inside it pass to the plane beyond. Bad weather or other marine hazards can still threaten the vessel, but even if it sinks, the passenger space remains safe and isolated (though exiting it might prove difficult).

The ship is crewed by a minimum complement of spectral deckhands, which perform the basic tasks of maintenance. These, like the cabin servants, can travel anywhere on board ship and can enter the extradimensional space if ordered. The deckhands respond to the direction of the helmsman, reducing the number of crew necessary to control the caravel to 1. If you do not provide a helmsman, the ship will steer itself on the last course a living helmsman provided but will not be able to avoid collisions or hazards or adjust to changing conditions.