How long does Poseidon sink? In the mythological sense, Poseidon does not sink at all—he is the god of the sea, not a ship or a city. The question likely refers to the Poseidon underwater hotel or the Poseidon missile, both of which have very different answers: the hotel is designed to float and descend slowly over about 2 hours, while the missile is a submarine-launched ballistic weapon that could reach its target in roughly 30 minutes. This article clarifies the confusion by exploring the mythological Poseidon, the real-world vessels and weapons named after him, and what “sinking” means in each context.
Who Is Poseidon in Greek Mythology?
Poseidon is one of the twelve Olympian deities in ancient Greek religion. He is the god of the sea, earthquakes, and horses. According to Hesiod’s Theogony, he is the son of the Titans Cronus and Rhea, and the brother of Zeus and Hades. After the overthrow of Cronus, the three brothers drew lots to divide the cosmos: Zeus got the sky, Hades the underworld, and Poseidon the sea. He is typically depicted with a trident, which he used to stir storms, shatter rocks, and create springs.
In mythology, Poseidon does not “sink” in the sense of drowning or disappearing. He is an immortal god who rules the ocean from his underwater palace. However, he is often associated with shipwrecks and storms that sink mortal vessels. For example, in Homer’s Odyssey, Poseidon punishes Odysseus by sending a storm that destroys his raft, forcing him to swim to the island of Scheria. So, while Poseidon himself never sinks, he causes many things to sink.
The Poseidon Underwater Hotel: How It “Sinks”
The most common modern reference to “Poseidon sinking” is the Poseidon Undersea Resort, a proposed luxury hotel in Fiji. It was designed to be partially submerged, with guest suites located 12 meters (about 40 feet) below the ocean’s surface. The resort was not designed to sink permanently; rather, it would have been a floating structure that could be ballasted to descend to a stable depth. According to the project’s early specifications, the descent would take approximately 2 hours, allowing guests to acclimate to the underwater environment. However, as of 2025, the resort has not been built, and its status is uncertain. The idea of a hotel that “sinks” slowly is a deliberate engineering choice to avoid sudden pressure changes and to allow the structure to settle safely on the seabed or remain moored.
The Poseidon Missile: A Different Kind of “Sinking”
In military context, “Poseidon” refers to the UGM-73 Poseidon, a submarine-launched ballistic missile (SLBM) used by the U.S. Navy from 1971 to 1992. It was an evolution of the Polaris missile and carried multiple independently targetable reentry vehicles (MIRVs). The Poseidon missile did not “sink” in the literal sense; it was launched from a submerged submarine and traveled through the air to its target. Its flight time depended on the range, but a typical intercontinental trajectory could take about 30 minutes to reach targets thousands of kilometers away. The missile itself would eventually fall into the ocean or hit its target, but that is not described as sinking. The name “Poseidon” was chosen for its naval association, not for any sinking behavior.
How Submarines and Ships Named Poseidon Have Fared
Several ships and submarines have borne the name Poseidon, and some have actually sunk. For example, the Greek submarine Poseidon (Y-5) was a Katsonis-class submarine that served in World War II. It was sunk by German aircraft in 1942. In more recent times, the Russian nuclear submarine K-159, which was decommissioned, sank in the Barents Sea in 2003 while being towed for scrapping, but it was not named Poseidon. The name “Poseidon” has also been used for a fictional submarine in the film Poseidon (2006), a remake of The Poseidon Adventure (1972), where the ocean liner SS Poseidon capsizes and sinks after being struck by a rogue wave. In the movie, the ship sinks in a matter of minutes, but that is a dramatic exaggeration for entertainment.
Common Misconceptions: Does Poseidon Ever Drown?
A common misconception is that Poseidon, as a sea god, might be vulnerable to drowning or that he “sinks” when he descends to his palace. In myth, Poseidon is never depicted as drowning. He is the sea itself in a sense; he cannot be overwhelmed by water. However, some later traditions, particularly in allegorical interpretations, might describe him as “sinking” into the depths to symbolize his dominion over the underworld of the ocean. But this is poetic, not literal. Another misconception is that the Poseidon missile was designed to sink enemy ships; in fact, it was designed to destroy land targets. The confusion likely arises from the shared name and the maritime theme.
How to Choose the Right “Poseidon” for Your Search
If you are researching “Poseidon sinking,” you need to clarify which Poseidon you mean. Here are the main possibilities:
- Mythological god: He does not sink; he causes storms and shipwrecks.
- Underwater hotel: A proposed resort that would descend slowly over about 2 hours.
- Ballistic missile: A Cold War-era SLBM with a flight time of about 30 minutes.
- Ships and submarines: Several vessels named Poseidon have sunk, but not as a rule.
- Fictional ocean liner: In the movie Poseidon, the ship capsizes and sinks in minutes.
To avoid confusion, always specify the context in your search, such as “Poseidon hotel sinking” or “Poseidon missile flight time.”
Costs and Practicalities of Underwater Structures
Building a structure that can “sink” safely, like the Poseidon resort, involves significant engineering and cost. The proposed resort was estimated to cost hundreds of millions of dollars. Key factors include:
- Pressure-resistant materials (acrylic and steel).
- Ballast systems to control descent and ascent.
- Life support systems for underwater habitation.
- Emergency evacuation procedures.
- Marine environmental impact assessments.
For comparison, the Jules Undersea Lodge in Florida, the only operational underwater hotel, is much smaller and costs about $1,200 per night. The Poseidon project aimed to be larger and more luxurious, but its high costs and technical challenges have delayed it indefinitely.
Safety Considerations for Underwater Habitats
If you ever stay in an underwater hotel, safety is paramount. The descent time is designed to prevent decompression sickness, but you should still follow staff instructions. Key safety points include:
- Never hold your breath while ascending or descending.
- Use the provided breathing apparatus if you leave the pressurized environment.
- Know the location of emergency escape pods.
- Follow the maximum occupancy limits.
- Be aware of the nearest decompression chamber.
For the Poseidon resort, the descent was planned to be gradual to allow guests to equalize pressure naturally. However, since the resort is not operational, these are general guidelines for any underwater habitat.
Frequently Asked Questions
Did the Poseidon missile ever sink a ship?
No, the Poseidon missile was designed to strike land targets with nuclear warheads, not to sink ships. It was a strategic weapon, not an anti-ship missile. Its purpose was deterrence during the Cold War.
How long does it take for the Poseidon hotel to sink?
According to the project’s design, the hotel would take about two hours to descend to its operational depth of 12 meters. This slow descent was intended to be a gentle experience for guests and to ensure structural integrity.
Why is Poseidon called the “Earth-Shaker” if he is a sea god?
Poseidon was also the god of earthquakes. In Greek myth, he would strike the ground with his trident to cause earthquakes, which in turn could cause tsunamis. This dual role made him both a sea and earth deity.
Can Poseidon be killed or sink in mythology?
No, Poseidon is an immortal god. He cannot die or drown. In myths, he is defeated in contests by other gods, such as losing Athens to Athena, but he never sinks or perishes.
Is the Poseidon missile still in use today?
No, the Poseidon missile was retired from U.S. Navy service in 1992, replaced by the Trident missile system. However, the name “Poseidon” is still used for other weapons, such as the Russian nuclear-powered torpedo, but that is a different system.
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