Gaming billionaire Gabe Newell’s new $500 million, 364-foot superyacht Leviathan is so advanced that it packs 280 miles of cabling, enough to run from Los Angeles to the Las Vegas Strip, a nervous system that powers its hospital, submarine garage, and two gyms.


There are few ways to describe the scale of billionaire Gabe Newell’s new yacht more vividly than by talking about its wiring. The Oceanco superyacht previously known as Project Y722 has been appropriately christened Leviathan. Hidden behind the polished walls and ceilings of the luxury superyacht lies about 280 miles of cabling, as reported by The Times, which is enough to stretch all the way from Los Angeles to Las Vegas.

Image – Oceanco

This sprawling nervous system is what keeps the vessel alive. It powers the entertainment systems, carries satellite signals that allow instant connection to the world, and controls the air conditioning that regulates every cabin and hall. For Newell, who spends much of his time living on board, it is the unseen infrastructure that makes his floating residence function like a private city at sea.

Image – Oceanco

The Leviathan measures 364 feet in length and is one of the largest yachts ever built by Dutch shipyard Oceanco. At an estimated cost of between 375 million and 535 million dollars, it reflects not only extreme luxury but also Newell’s personal philosophy about how a yacht should be built and lived in.

The Leviathan (codenamed Y722) began outfitting in 2023. Image – Oceanco

The design was developed with input from naval architects, designers, technical representatives, and even crew members to improve both efficiency and wellbeing, as reported by Boat International. The result is a vessel that balances world class hospitality with practical systems robust enough to handle scientific work and extended voyages.

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Gaming tycoon Gabe Newell, behind Half-Life and Dota 2, owns Oceanco and the Leviathan. Image – Oceanco

The owner’s suite alone makes a statement. Its bathroom is extraordinarily large, finished with parquet flooring and cabinets made of ash with leather handles. It is closer in feel to a high end residence than a cabin at sea. Around the yacht, the comforts and extravagances multiply. There is a gym for 24 guests with large picture windows, and a separate gym reserved for the 38 crew members who keep the ship running. Outside, a pool measuring about 11 meters by 5 meters is fitted with wave breakers so swimmers are not splashed by surging water when the yacht is underway. For flight operations, a helipad sits ready on deck.

Image – Oceanco

The leisure spaces have been designed to rival any resort. Guests can watch movies in the onboard cinema, explore a vast tender garage, or head to the separate toy garage stocked with jet skis, a submarine, and spearfishing gear. A pantry dedicated solely to drinks sits alongside the main kitchen, an indulgence that underscores how much detail has gone into daily living. The beach club at the aft spreads over nearly 250 square meters and includes a bar, pizza oven, hot tub, wellness spa, and diving platforms, offering a place where guests can relax just above the water’s edge.

A health center onboard the MY Lumionosity

What sets Leviathan apart from many other superyachts is not only its scale but its attention to health and safety. Onboard is a full hospital, not just a simple medical room. It is equipped with a scanner, oxygen supply, and accommodations for a nurse to live on board. For an owner who spends long periods at sea, this means peace of mind and resilience in the face of emergencies.

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Image – Oceanco

Beneath the luxury lies advanced technology. The Leviathan operates on a diesel electric power plant supported by a battery energy storage system that allows emission free cruising for extended periods. It is also fitted with an advanced wastewater treatment system designed to meet high environmental standards. Even the materials were chosen to reduce upkeep. Traditional teak decks and wooden handrails have been replaced with composites, while honed stone and natural wool carpets were used inside to combine durability with comfort.

The dining area of the Tranquility, another superyacht owned by Gabe Newell.

The cabling remains the detail that best conveys the ambition of the project. Every television, every light, every sensor, every communication system, every chilled room and heated suite depends on this vast network of wires. Without it the Leviathan would be a steel shell floating on the water. With it, the yacht is a fully connected sanctuary where Gabe Newell can work, host, and live with the same speed and connectivity he would expect on land. The fact that the wiring could stretch from Los Angeles to Las Vegas is more than a striking image. It is the best proof that this vessel is not just a luxury toy, but a complex, modern ecosystem built to carry its owner and his world wherever he chooses to roam.

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