It’s not surprising that the world’s longest yacht hails from a shipyard with 13 out of the 25 top builds in the superyacht arena. Unfortunately, Lürssen could never really boast about Azzam after its launch in 2013 because of the owner’s penchant for privacy, though it did describe the interior by Christophe Leoni, which features a 95-foot-long main salon, as “inspired by the Empire style of the early 19th century.” The owner Mubarak Saad al Ahbabi directed a team of designers and engineers who started with the bare concept, worked through the technical challenges of what might be the most complex superyacht ever and finished with an unusually large vessel that can top the 30-knot mark. Nauta Yacht’s exterior features a long, sleek forward area, with well-proportioned tiers moving up to the skydeck. Lürssen describes the interior by Christophe Leoni as “sophisticated, with luxurious decor inspired by the Empire style of the early 19th century.” Its gas turbines, connected to water jets, push Azzam to more than 30 knots—as fast as a Navy frigate—giving it the ability to operate at high speed in shallow waters. It also boasts an impressive build time for a yacht of its size, with construction taking only three years after one year of engineering. Azzam accommodates up to 36 guests, and a crew of 80.

Little information has been released about the world’s second-longest superyacht, custom-built Fulk Al Salamah, and it has been shrouded in mystery since first announced in 2014. Even the overall length of 538.1 feet has been estimated from AIS data. However, built and delivered by Italian builder Mariotti Yachts in their Genoa shipyard in 2016, the imposing vessel is believed to be owned by Sultan Haitham bin Tariq of Oman. Last refit in 2021, exterior design is by Studio de Jorio, and it is considered by some to resemble more of a support vessel than a superyacht. Nonetheless, aerial photography shows an impressively large helideck, raked masts and a bathing platform.

The 533.1-foot stately Eclipse, the second yacht on this list owned by sanctioned billionaire Roman Abramovich, took five years to design and build. When it left the Blohm+Voss shipyard in Hamburg in 2010, it was the world’s largest yacht. The interior has 17 staterooms and a palatial master suite, with the capacity to carry 85 crew. Both the interior and exterior are designed by Terence Disdale. A proportional profile is defined by tiered decks that sweep upward and bend ever so slightly at the aft ends. Eclipse has a 185-foot-long owner’s deck, the capacity to hold three helicopters, a sophisticated stabilization system, six tenders and an enormous spa, gym and beach club, not to mention one of the largest swimming pools on any superyacht. Other features reflecting its stature: Hybrid diesel-electric engines are connected to Azipod drives that give Eclipse a top-end speed of 21 knots, with a range of 6,000 nautical miles.

Even at 531.5-feet, Dubai’s all-white Winch-designed exterior belies the dramatic and vibrant interior within. Colorful mosaic floors, a spiraling glass staircase, 70-foot-wide atrium and bursts of red, blue and green create a carnival of scene. Originally commissioned for Prince Jefri Bolkiah of Brunei as a joint project between Blohm+Voss and Lürssen, the project was halted in 1998 with just a bare hull and skeletal superstructure. The hull was sold to the government of Dubai, and, under the direction of the country’s ruler, Sheikh Mohammed bin Rashid Al Maktoum, work on the 531.5-footer began again, though this time by Platinum Yachts. Dubai delivered in 2006 and is now the sheikh’s royal yacht, with accommodations for 24 guests and quarters for 88 crew. The seven-decked yacht has a landing pad for a Black Hawk helicopter, submarine garage, disco and cinema, and can reach a top speed of 26 knots.

Lürssen’s newest entry on the list, Blue, which delivered to its Middle Eastern owner in July 2022, may rank at number five out of the world’s largest yachts, but it’s diesel-electric hybrid propulsion system goes a long way to minimize emissions. The yacht also features an electric Azimuth pod drive that can be used independently or in conjunction with the twin propeller shafts. There is a waste-water treatment system and an advanced exhaust treatment system to help reduce NOx levels, as well as cut down on vibration and noise pollution. Interior and exterior design is by Terence Disdale, Blue is defined in profile by a raked bow with a helipad, an aft deck pool and twin balconies forward either side of the owner’s full-beam suite. There is a second, smaller helipad aft. The British designer has reportedly penned a feminine and elegant interior, though no images have yet been released.

The 2016 launch of Dilbar gave Lürssen the distinction of not only building the longest yacht ever (Azzam), but also the largest in terms of volume. Espen Øino designed the exterior, creating a full-bodied superstructure of long, flowing decks, along with two helicopter pads. Dilbar also has an 82-foot swimming pool that can hold an incredible 6,357-cubic-feet of water and according to Lürssen, is the world’s longest on a yacht. The interior by Winch Design is defined by its “rare and exclusive luxury materials,” says the builder, declining to go into detail. Despite Dilbar’s volume, the designers did a masterful job making the yacht look relatively svelte, In June 2020, Dilbar returned to Lürssen for a significant refit, where the yacht remains following US sanctions placed on the owner, Russian billionaire Alisher Usmanov, in 2022.

Another 500-plus-foot yacht from Lürssen, the original Project Sunflower gained its official name of Al Saïd following its launch in 2016. Espen Øino’s exterior is akin to a classic cruise liner, complete with the twin-exhaust stacks in the center of the superstructure. Owned by the Sultan of Oman, the yacht was listed for the sale for the first time in April 2022 for an undisclosed sum. The six-decked Al Saïd can carry 154 crew and an estimated 70 guests across 26 suites. Lürssen reports a top speed of 22 knots. The London-based Redman Whiteley Dixon studio designed the interior, which includes a concert hall that can hold a 50-piece orchestra, a private cinema for 50 people, plus a medical room and dental care on board.

Very little is known about A+ (formerly Topaz), which was launched by Lürssen in 2012, other than it is the fourth-largest yacht ever built by the German shipyard. Tim Heywood Designs did the exterior, which features helipads on the foredeck and amidships on an upper deck. A lower aft deck includes a swimming pool. The German yard has not released any images of the Terence Disdale interior. Reported to be owned by Manchester City Football Club owner Sheikh Mansour bin Zayed al Nahyan—Emirati royalty and deputy prime minister of the UAE—A+ has a top speed of 22 knots and can carry 62 guests and up to 79 crew. It was last refit in 2022.

This custom yacht, launched by Helsingør Værft in Denmark in 1984, is reportedly undergoing a refit in 2023. The 5,200-tonne Prince Abdulaziz is one of the Saudi Royal family’s yachts, its first owner being King Fahd. Designed by Maierform, the yacht was the longest and tallest in the world at the time of its launch, a title the 482.3-foot Prince Abdulaziz held for 22 years until Dubai launched in 2006. The late David Nightingale Hicks, known for his use of bright colors, was the interior designer. The lobby is said to be a replica of the Titanic. The yacht is also rumored to be carrying surface-to-air missiles, though that may be an urban legend.

Originally built by Japan’s Oshima Shipbuilding in 1982, the semisubmersible heavy lift ship was used for decades by DYT Yacht Transport as float-on yacht carrier. In 2022, the vessel underwent a private conversion at Karmarine shipyard in Turkey, turning it into a luxury, though highly unusual, yacht named OK. Modifications include a matte-black paint job, gold-tinted glazing and teak decking. The vessel’s 328-foot submersible aft deck—a feature that first attracted her new owner, who uses OK to transport their 150-foot ketch—is now covered in a carpet of artificial grass. A 40-tonne crane allows for the safe and easy launch and retrieval of a vast range of toys, including a seaplane. The interior by Bozca Design is reported to include accommodation for 20 guests, a botanical garden and a crazy Willy Wonka-inspired glass elevator that operates outside of the yacht’s superstructure.

El Mahrousa, which means “The Protected” in Arabic, is currently Egypt’s presidential yacht, though the 478.1-footer has a separate history as that country’s royal yacht. The London-based Samuda Brothers began the build in 1863, and it was launched in 1865. The world’s oldest superyacht—and formerly the world’s biggest—was originally built for the Ottoman governor of Egypt, Khedive Ismail, and later carried three Egyptian kings into exile. The yacht was also at the opening of the Suez Canal in 1869. It features external design by the British naval architect Sir Oliver Lang, and has had multiple modifications over the years, including a lengthening by 40 feet in 1872 and another 17 feet in 1905. During the second refit, the owners replaced its paddle-wheel engines with turbine-driven propellers. The yacht, in care of the Egyptian Navy, occasionally goes to sea for a day or two. In 2015, it was used to inaugurate the new Suez Canal.

Undoubtedly one of the most visionary projects ever delivered by German shipyard Nobiskrug, the Philippe Starck-designed A is a wild fantasy of the future. Delivered in 2017, the futuristic look of sailing yacht A includes smooth, silver-metallic surfaces and windows that look nearly invisible, three composite masts that bend slightly, and a deck hidden by high bulwarks. The Philippe Starck-design is a wild fantasy yacht of the future. The 468-foot sailing yacht is a technical victory for Nobiskrug, which developed composite fashion plates to create the unusual shapes without compromising any strength or fluidity. It has the tallest freestanding composite masts on any sailing vessel, a diesel-electric propulsion system and state-of-the-art navigation systems. The boat also reportedly has an underwater viewing platform in the keel. Starck’s traditional interior features dark wood, copper accents and cozy patterned carpets. The split-deck main salon is divided into zoned seating areas with integrated bookshelves. She remains today the world’s largest sailing yacht six years after her launch, though many argue she is better defined as a sail-assisted yacht.

Nord (Project Opus) has been a long time coming. She was announced in 2015 but didn’t hit the water until November 2020 when she conducted sea trials in the Baltic Sea. The 466-foot yacht features interior design by Italian studio Nuvolari Lenard and is Lürssen’s first yacht launched from its newly upgraded floating shed at its facility in Vegasack. Boasting many top-tier amenities, the yacht includes a sports and diving center on the lower deck, multiple tenders ranging in size up to 50-feet and a large swimming pool. The two helipads support the yacht’s long-range cruising capabilities for autonomous exploration, and a retractable hangar means a helicopter can slide neatly into the superstructure for storage when not in use. A generous 20 staterooms accommodate 36 guests across six decks, while a sleek aft-sloping superstructure gives Nord an individual profile on the water.

As a converted yacht, Yas is one of the most interesting vessels on this list. The dolphin-like exterior was originally a former Dutch Navy frigate that launched in 1978 and eventually sold to the navy of the United Arab Emirates, where it was renamed Al Emirat. The yacht underwent its dramatic conversion in a facility in Abu Dhabi’s main port, emerging as a gleaming superyacht in 2011, with one of the most interesting profiles on the water. It was eventually delivered four years later. Reportedly owned by Sheikh Hamdan bin Zayed al Nahyan, half-brother of the president of the UAE, Khalifa bin Zayed Al Nahyan, the design by Paris-based Pierrejean Vision is defined by massive glass surfaces. Yas can accommodate 60 guests and 58 crew members. Mated to a steel hull, the superstructure is the largest composite edifice ever built.

Owned by Russian businessman Roman Abramovich, the 476-foot Solaris was one of the largest yachts to deliver in 2021. Last refit in 2022 at MB92 in Barcelona, the vast, highly private explorer is built by German shipyard Lloyd Werft, and features a displacement steel hull with bulbous bow and steel superstructure with teak decks. The eight-deck exterior by Australian designer Marc Newson houses a large helipad, sundeck, spacious beach club aft and 21,527 sq. ft. of glass, the largest panes to ever be built into a yacht. Lloyd Werft also built the Russian billionaire’s previous explorer yacht Luna, which he reportedly sold for $360 million to his close friend Farkhad Akhmedov in 2014.

The largest motoryacht ever built in Italy, Fincantieri’s Ocean Victory was delivered to its owner, Russian billionaire Viktor Rashnikov, in 2014. The seven-deck exterior by Espen Øino includes two helideck platforms and a hangar belowdecks, as well as exceptional outdoor social areas and a floodable tender dock. Ocean Victory has accommodations for 28 guests as well as quarters for 56 crew. Ocean Victory also has six pools, a 3,300-square-foot spa, and an underwater observation room. The interior by Alberto Pinto remains a secret, aside from the yacht’s six pools, a 3,300-square-foot spa and an underwater observation room.

The 459.3-foot, Lürssen-built Scheherazade (formerly known as Project Lightning) was delivered in June 2020. Two helipads, forward and aft, and a large beach club aft are visible from aerial photographs, but aside from the yacht’s reported seven-foot beam further details have not yet been released of the highly private vessel, including the names of designers or naval architects involved with the build. The reason may lie with the yacht’s unofficial owner, believed to be Russian president Vladimir Putin. In May 2022, Italian authorities froze Scheherazade in the port of Marina di Carrara following an investigation conducted by Italian financial police who found the ship’s beneficial owner had “significant economic and business ties” to high-ranking Russian government officials, though the results of the investigation to date remain inconclusive.

When Lürssen launched Al Salamah in 1999, it was the third-largest yacht in the world. Its  number 18 ranking shows how much has changed in the last 20 years. Code-named MIPOS, or Mission Possible, the yacht was designed by Terence Disdale. Originally owned by Saudi Arabian Crown Prince, Sultan bin Abdulaziz, in 2013 the yacht was put up for sale for $280 million, before reportedly given to Bahraini Crown Prince Salman bin Hamad Al Khalifa as a gift. The large imposing exterior is primarily protected space, with an upper deck exposed to the elements. Al Salamah has staterooms for 40 guests, including two owner suites, 11 VIP staterooms and eight twin cabins. The yacht can carry up to 96 crew and has a top speed of 22 knots. Al Salamah was last refitted in 2009.

Designed by the original guru of yacht designers, Jon Bannenberg, Rising Sun was built by Lürssen for Oracle CEO Larry Ellison and is currently owned by billionaire David Geffen, who reportedly paid $590 million for the yacht. The yacht comes with a gym, grand piano, multiple swimming pools, a beauty salon, and a spa with a sauna. Delivered in 2004, and last refit in 2011, the yacht’s exterior is defined by banks of windows across the superstructure. Rising Sun has 86,000 square feet of living space in 82 rooms. It can accommodate 18 guests in nine cabins, with the capacity to carry up to 46 crew. The interior by Seccombe Design includes a gym, cinema and wine cellar. The rear cockpit deck was designed as a basketball court. Geffen received global media backlash in 2020 for his “tone deaf” social-media posts that pictured himself on board his yacht during Covid-19 lockdown.

The 446.2-foot Flying Fox is arguably the most high-profile yacht on this list, primarily for being the largest yacht available on the charter market, as well as being singled out as “blocked property” by US authorities in 2022 due to its reported ownership by sanctioned Russian oligarch Dmitry Kamenshchik. Delivered jointly by Imperial and Lürssen in 2019, 446.2-foot Flying Fox is the largest yacht available on the charter market. Key features of the Espen Øino-designed exterior are a curvaceous dove-gray hull and a 3.7-foot swimming pool that runs athwartship on the main aft deck, the largest ever found on board a yacht. A two-decked spa also gives guests access to a cryosauna, hammam and relaxation room with a fold-down balcony at sea level. Packed to the rafters with the latest amenities, the yacht holds a diving center, decompression chamber and two helipads. Flying Fox is PYC compliant and can accommodate 25 guests.

Launched in 1931, Savarona was built for American heiress Emily Roebling Cadwalader, and is easily identified by its two mustard-colored funnels. The yacht was eventually acquired by Turkey to be the presidential yacht of Kemal Atatürk, founder of modern Turkey. Jane’s Fighting Ships described the yacht in 1949 as “probably the most sumptuously fitted yacht afloat.” Savarona was later converted to a training ship for the Turkish Navy and, in 1978, destroyed by fire. The yacht laid in tatters for 10 years. A Turkish businessman spent around $45 million refurbishing Savarona, commissioning Donald Starkey for the interior and replacing the original steam-turbine engines with modern Caterpillar diesels. Savarona became Turkey’s official presidential yacht again in 2014, accommodating up to 34 guests in 17 suits, and carrying up to 48 crew. Amenities include a swimming pool, Turkish bath, 280-foot grand staircase, a movie theater and a library dedicated to Atatürk.

Last refit in 2021, Espen Øino’s dark hull and tiered superstructure was one of the most exciting launches of 2018. Called Project Thunder internally at Lürssen, the custom-built yacht features cutouts along the hull sides that allow full ocean views from the saloon on the primary deck, as part of Crescent’s distinctive curved superstructure. Its most noteworthy feature is the jaw-dropping bank of three-deck-high windows in the center of the yacht. This architectural feature serves as the centerpiece of a very compelling design. The yacht has accommodations for 18 guests in nine staterooms. Little is known about the François Zuretti-designed interior, other than Lürssen describes it as being “traditionally styled.” If it lives up to Crescent’s brash exterior, the complete yacht promises to be an entirely groundbreaking design. In March 2022, Crescent was detained by Spain as property of Rosneft CEO Igor Sechin, who is sanctioned in connection with Russia’s invasion of Ukraine.

Serene is the yacht that launched Fincantieri into the superyacht segment, and what a debut it was. The largest yacht ever launched in Italy when it was delivered in 2011 (surpassed three years later by Ocean Victory), the Espen Øino seven-deck design features a long, sleek blue hull crowned by a white superstructure. Pascale Reymond of Reymond Langton Design created the 43,056-square-foot interior for the Russian owner, which includes a double height atrium with a piano lounge at the top and a vast open-plan main salon below. Sunken LEDs and bright pink and purple neon lights create a modern party vibe in the social areas, which contrast with the elaborate yet more traditional guest suites. A spiral staircase with intricate metal banisters soars through the heart of the yacht. The open stern area has a winter garden (enclosed glasshouse) that allows dining in all seasons. Serene also has two helipads and a hangar, a big swimming pool and a tender garage large enough for a submarine. Pascale Reymond of Reymond Langton Design created the 43,056-square-foot interior for the Russian owner, though its details have remained closely guarded.

Al Mirqab was a yacht before its time. Launched in 2008, the yacht’s diesel-electric propulsion involves an azimuth pod drive and gives the 436.4-footer a top end of 21 knots. With 36 staterooms, and crew quarters for 45, it was built for Qatar’s former prime minister under the supervision of Kusch Yachts in the Peters Werft shipyard in Wewelsfleth, Germany. The Tim Heywood exterior includes a long, navy-blue hull with a white superstructure. The yacht’s diesel-electric propulsion involves an azimuth pod drive and gives the 436.4-footer a top end of 21 knots. Its interior by Andrew Winch won several awards, with images showing Arabic-influenced motifs on the marble floors of large social areas. The yacht’s centerpiece is a stunning, complicated floating staircase encircled by custom-made glass panels. Al Mirqab has staterooms for 36, and crew quarters for 45.

Only just making the cut on this list, Jeff Bezos’ new 417-foot sailing yacht, Koru, was the subject of worldwide controversy even before its 2023 delivery. Built by Dutch shipyard Oceanco and reportedly costing $450 million, the Amazon founder’s first vessel is the tallest sailing yacht in the world with masts that measure over 230 feet tall, the same height as the Great Pyramid of Giza. It’s so tall, in fact, that Bezos petitioned the Dutch city of Rotterdam to temporarily dismantle the Koningshaven Bridge, a 95-year-old landmark, to allow his yacht to pass under. His request was denied, and the yacht was instead partially towed through Rotterdam without its mast. The towering design also makes it unsafe to land a helicopter onboard, prompting Bezos to commission his second yacht, the 246-foot custom support yacht Wingman. Delivered in early 2023, and featuring a helipad, Wingman is Damen’s largest support vessel to date. No details have yet been released about Koru’s interior or exterior design, including who penned the design.