Roman Abramovich owns the yacht, which was delivered on December 9, 2010. Eclipse was the world's longest private yacht, which is 17.3 meters longer, was launched in April 2013.

Two helicopter pads, 24 guest accommodations, two swimming pools, multiple hot tubs, and a disco hall are all available at Eclipse. It also has three launch boats and a mini-submarine capable of sinking to a depth of 50 meters. To manage the yacht and service the guests, around 70 crew members are required. Eclipse has a missile detection system, missile launchers, and self-defense systems for security.

By 2009, Eclipse was the largest vessel to use a rotor-based stabilization system based on the Magnus effect to counteract roll motion at anchor and at low cruise speeds.

Price: $1.5 Billion

Azzam is a private super yacht built by Lürssen Yachts in Germany. On April 5, 2013, Azzam was introduced. It is the world's longest private motor boat, measuring 180 meters in length. It has a beam of 20.8 meters and a draft of 4.3 meters, which is unusually shallow. The yacht was completed in three years after a year of engineering, according to Superyacht Times, which is a world record. Azzam is capable of traveling at fast speeds in shallow water. This is one of the most expensive yachts in the world.

Azzam has a main salon with a length of 29 meters and a beam of 18 meters, as well as an open plan with no pillars. It can reach speeds of over 59 km/h (37 mph) thanks to a combination of two gas turbines and two diesel engines that produce a total power output of 35,048 kW via four pump-jets. Two of the pump-jets are non-movable spherical water outputs in the stern's center, and the other two have thrust vectoring capabilities and are located on each side of the non-movable ones.

Price: $600 Million

Philippe Starck designed Motor Yacht A (MY A), which was engineered by naval architect Martin Francis. It was built at the HDW deepwater facility in Kiel by the Blohm + Voss shipyard. It was ordered in November 2004 and delivered in 2008 for an estimated $300 million. It is one of the world's largest motor yachts, measuring 119 meters (390 feet) and weighing about 6,000 tons. Andrey Melnichenko, a Russian entrepreneur and manufacturer, owns it.

When Motor Yacht A was first commissioned, little was known about it, as it is with many superyachts. In December 2004, the vessel's builder, Blohm + Voss, published a press release identifying the vessel as Project Sigma, which was its most frequent name during construction. It measured 118 meters in length. While personal credit was given to conceptual designer Philippe Starck and project manager Neil Wade, naval architect Martin Francis was the project's principal technical and naval designer and Starck's collaborator. The final shape, with its reverse bow and tumblehome design, was said to have taken only three and a half hours to come up with, drawing comparisons to the Zumwalt class of stealth destroyers developed for the US Navy.

Price: $440 Million

Sheik Mohammed bin Rashid Al Maktoum, ruler of Dubai and Vice President/Prime Minister of the United Arab Emirates, owns the yacht Dubai.

Dubai - one of the most expensive yachts, was built in collaboration with the German shipyards Blohm + Voss and Lürssen and commissioned in 1995 under several project names (Panhandle, Platinum, Golden Star). The yacht was supposed to be built for Prince Jefri Bolkiah of Brunei in 1996, but the customer canceled the order the following year. She was sold to Mohammed bin Rashid Al Maktoum, the current owner, in 2001.

A helipad with a maximum payload of 9.5 tons, two 10 m long motor boats, a dining room for 90 people, and a 10 m swimming pool are among the amenities. A nightclub, a movie, 20 water bikes, a submarine, a lobster tank, and a squash court are all available on the yacht. Dubai has eight decks and can accommodate up to 88 crew members and 115 passengers.

Price: $400 Million

Lürssen built the motor yacht Radiant in 2009. Abdulla Al Futtaim, an Emirati billionaire, owns her. with a beam of 16.00 m and an overall length of 110.00 m. Radiant's exterior was designed by Tim Heywood, and Glen Pushelburg designed her interior. The hull is steel with an aluminum superstructure and teak decks. The Cayman Islands issued the yacht's Lloyd's registration. Radiant has elevator, swimming pool, beach club, helicopter landing pad on top deck, massage room, swimming platform, tender garage with tender, air conditioning, on deck jacuzzi, gym, and movie theater.

Twin MTU 16V 1163 TB73L diesel engines produce 8,715 horsepower. Her fuel tanks are 360,000 L (95,000 US gal). The previous owner, who sold the yacht to Abdulla Al Futtaim in 2008, was sued after it was delivered. He failed to pay the broker, Edmiston, a commission fee. The judge found in Edmiston's favor, ordering the boat owner to pay Edmiston his commission.

Price: $320 Million

Serene is one of the largest private superyachts and one of the most expensive yachts in the world.

Serene was delivered to her owner in August 2011 by the Italian shipyard Fincantieri, with interior design by Reymond Langton Design. She was one of the ten largest yachts in the world when she was delivered, with an overall length of 133.9 meters and a beam of 18.5 meters.

Serene ran aground in the Red Sea in August 2017, 37 kilometers off the coast of Sharm El Sheik. Her hull suffered considerable damage near the bow. A mix of navigational errors and propulsion failure was reported as the cause. The $300 million ship was built for Russian vodka entrepreneur Yuri Shefler. Bill Gates hired the yacht for $5 million per week in the summer of 2014. Prince Mohammed bin Salman of Saudi Arabia purchased the vessel for around €500 million in 2015 while on holiday in the south of France.

Price: $300 Million

One of the most expensive yachts, Pelorus, was built by Lürssen in 2003 and purchased by Roman Abramovich, a Russian billionaire, in 2004. Pelorus has changed ownership several times since then, and is now owned by Hong Kong billionaire Samuel Tak Lee. Pelorus measures 115 meters in length and weighs a whopping 5517 tons.

She has two helipads, landing boats, and jet skis in addition to all the usual conveniences you'd expect to find onboard a superyacht of this caliber. She has a full-time crew of 46 on board all year.

As a gift for being the two finest players at his English football club, Chelsea F.C. The previous season, Abramovich gave Pelorus to Frank Lampard and John Terry for two weeks in 2005, and Terry used the yacht to honeymoon with his new wife, Toni Poole, in 2007.

Price: $300 Million

Dilbar is a superyacht that was launched on November 14, 2015, at the Lürssen shipyard in Germany, and delivered in 2016. Project Omar was the name given to the construction. Andrew Winch designed the inside of Dilbar, while Espen Oeino designed the outside.

Alisher Usmanov, a Russian billionaire and oligarch, owns the yacht. During the Russian invasion of Ukraine in 2022, German authorities seized the boat in March 2022 as part of a series of penalties against Russian oligarchs. It is said to have cost $800 million, employed 84 full-time staff members, and boasted the world's largest indoor swimming pool, measuring 180 cubic meters. Usmanov had previously owned a smaller yacht called Dilbar.

The ship's true legal ownership has been concealed. Gulbahor Ismailova was identified as the owner after investigations by the German Federal Criminal Police Agency (BKA) and the tax investigation office. The new discoveries were sent to the German Foreign Office by the BKA. The yacht was seized by German authorities.

Price: $256 Million

The boat was built in Germany by Peters Schiffbau Wewelsfleth. Tim Heywood designed the yacht, while Andrew Winch Designs handled the interior design. The boat was dubbed "Project May" during construction.

In 2008, the Al Mirqab was completed. The boat is 133 meters in length and 19 meters in width. The yacht's summer deadweight is 1,440 DWT, and its gross tonnage is 9,518 GT. She is made of steel and has a cruising speed of 21 knots and a top speed of 23 knots. The yacht spends the majority of its time in the Faliro district of Athens, Greece.

The Al Mirqab has 24 guest cabins and two VIP suites for the yacht owner. Each suite is spacious, with its own bathroom, living area, and double bedroom. The yacht has a 60-person crew. A cinema, outside bars, an indoor swimming pool, an outdoor jacuzzi, and a helicopter pad are among the amenities on board.

Price: $250 Million

The Lady Moura is a luxurious private boat and one of the most expensive yachts in the world. When she was first launched in 1990, she was the seventh largest private yacht in the world. She was previously owned by Saudi Arabian industrialist Nasser Al-Rashid, but was purchased in 2021 for USD 125,000,000 via yacht broker Camper & Nicholsons by a Mexican businessman.

Lady Moura has entertained a number of prominent figures, including former President George H. W. Bush and his wife Barbara. Lady Moura ran aground during the 2007 Cannes Film Festival weekend. Steel is used for both the hull and the superstructure. The vessel's propulsion system consists of two KHD-MWM diesel engines, each delivering 5050 kW (about 6700 bhp). The vessel can reach speeds of over 20 knots with adjustable pitch propellers.

The Lady Moura can accommodate 27 guests in 13 staterooms, with 60 crew members sleeping in the crew quarters. In addition, she has a helipad, a movie theater, a disco with a DJ room, a gym, an owner's study, and medical suites for both guests and crew.

Price: $210 Million