They are called submarines
It's called "draft". Draft is the distance from the waterline to the bottom of the ship.
Submarine
Sumerrain
Titanic has been underwater since 1912.
Underwater materia is acquired by morphing an enemy named 'Ghost Ship' in the Junon Underwater Reactor. Doing so gives you an item called 'Guide Book', then exchange this with the man at Kalm for the Underwater materia.
a ship floats on the water and a submarine can go underwater and on top of the water
The Oasis is approximately 20 stories high. The ship itself is 1,180 feet long. The ship can fit up to 5,400 guests. The amount of feet that is underwater is not told in the official press release for the ship.
A submarine is a ship that can travel underwater.
Like it does anyway just underwater
during World War 2
An underwater bubble blower.