No, its a fictional novel by by Paul Gallico, released in 1969.
If you mean in "The Poseidon Adventure" (1972) or "Poseidon" (2006), the ship was in the middle of the ocean when it was capsized by a rogue wave.
The S. S. Poseidon is a fictional ocean liner created by author Paul Gallico for his 1969 novel, "The Poseidon Adventure." The story has sired at least 4 films, including the 1972 blockbuster from 20th Century-Fox. In the story, the ship is met by a rogue wave - then called a tidal wave - and capsized. Survivors of the overturning struggle to reach the exposed hull and possible freedom.
The term for a ship or boat that has turned over is capsized.
The ship was the Costa Concordia.La Costa Concordia
Poseidon flips the Phaeacian ship over so that it can then be stoned.
Poseidon's staff is called a "trident." When mad he would strike the ground with it causing earthquakes, ship wrecks, and drownings.
Poseidon A Ship on a Soundstage - 2006 V is rated/received certificates of: Finland:K-11
The ship in the movie was a fictional ship, however there have been several real ships with the name Poseidon. They range from British cargo and steam ships to Military warships and submarines.
costa concordia
Percy Jackson, Poseidon(the sinking ship)
Zeus with a lighting bolt and the second ship poseidon destroyed with a violent storm.
Andre Braugher