15 biggest cruise ships in the world

When Symphony of the Seas, an 18-deck cruise ship measuring longer than a nuclear-powered aircraft carrier, sailed ou...

Posted: May 22, 2018 12:32 PM
Updated: May 22, 2018 12:32 PM

When Symphony of the Seas, an 18-deck cruise ship measuring longer than a nuclear-powered aircraft carrier, sailed out of port for the very first time this April, it smashed yet another size record in the cruise industry.

But the current largest passenger ship in the world is hardly one of a kind.

Her slightly smaller sister ships -- the Harmony of the Seas, the Allure of the Seas and the Oasis of the Seas -- each held the honor of this title at the time of their launch, only to be dethroned shortly after in what seems like an endless race to build ever larger cruise ships.

If the names of these four floating cities sound similar, it's not by coincidence.

"Most of the largest ships in the world are sister ships. A family of ships, such as Royal Caribbean's Oasis class, to which the Symphony belongs, are built according to the same specifications and with only minor differences between them," explains Colleen McDaniel, senior executive editor at Cruise Critic, a leading publication specializing in cruises.

"It is a successful formula that has been scaled up," McDaniel adds.

The reason that they've become so gigantic, says McDaniel, is not only to accommodate more passengers, but also to stuff them with added extras such as water shows to keep everyone distracted.

"These ships are really packed with activities," she says.

So what are the largest cruise ships plying the planet's waters today? Here's our guide to the 15 biggest cruise ships in the world today for your travel pleasure:

1. Symphony of the Seas

As you'd expect from the largest cruise ship in the world, everything about the Symphony of the Seas is on a large scale. There are 18 decks (of which 16 are for guest use), 22 restaurants, 24 pools, 2,759 cabins, a park with over 20,000 tropical plants.

Not to mention the world's tallest water slide at sea.

Like Royal Caribbean's other Oasis-class ships, Symphony is organized in so-called "neighborhoods," and contains seven of them.

"These are theme areas that replicate what you can find in cities. People have a feel that there is so much to see and you would need days to really explore what's in all these different areas," McDaniel explains.

"Everyone has their favorite neighborhood. They are unique spaces and, despite the large number of people onboard, the flux is managed in a very smart way, you never get the feeling of being in a crowded space.

However, if all goes according to plan, Symphony of the Seas' days being the largest ship in the world are already numbered.

The Oasis-class' fifth ship, which will be even larger, is expected to enter service in 2021.

2. Harmony of the Seas

Harmony of the Seas shares much of the same layout and onboard services and activities as Symphony of the Seas (as do the next two ships on the list.)

The billion-dollar ship has a maximum capacity of 6,687 and measures 1,188 feet.

One of its stand out features is the Ultimate Abyss slide, which transports guest down 10 decks at nine miles per hour.

3. Allure of the Seas

Launched in 2010, the Allure of the Seas boasts 25 dining options, four pools and 10 whirlpools and can accommodate up to 6,687 people.

Measuring 1,187 feet, the Royal Caribbean ship also has a state-of-the-art 1,380-seat theater which offers performances of shows like the Tony award-winning Broadway musical "Chicago."

Also, due to the Royal Caribbean's partnership with DreamWorks Entertainment Allure of the Seas and the majority of its sister ships have characters from movies like "Shrek" and "Madagascar" onboard.

4. Oasis of the Seas

Oasis of the Seas is the original ship of the Oasis-class as well as the first to feature the "seven neighborhoods" concept its sister ships have pretty much turned into a standard today.

It set a new capacity record (6,780) at the time of its launch in 2009 and also held the deepest high dive pool ever to sail.

As for onboard entertainment, guests were treated to exclusive performances of Broadway musical "Hairspray."

5. MSC Meraviglia

MSC Meraviglia is both the first ship on the list not to belong to Royal Caribbean and the first of MSC's Meraviglia class of ships, which will see an identical sister ship delivered in 2019.

Among the signature features of this vessel, which heads to the United States in 2019, is the exclusive agreement MSC Cruises has with the Cirque du Soleil, which performs onboard 12 times a week.

Fittingly for a ship whose primary area of operations is the Mediterranean, the Meraviglia has its own branch of Eataly, the famous Italian delicatessen chain, and a 262-foot LED Sky Mediterranean-style indoor promenade open 24 hours a day

6. Norwegian Bliss

Norwegian Bliss, the newest and largest member of the Norwegian Cruise Line's Breakaway-Plus class had its maiden voyage in late April 2018.

Ships belonging to the NCL can be recognized from afar thanks to the colorful painted designs that decorate their hulls, and the three ships of this class are no exception (a fourth one is coming up in 2019.)

The deck lined with restaurants running along the side, allowing guests to feel a more direct connection with the sea, is another of the distinctive features they hold.

Norwegian Bliss also has the largest competitive go kart race track at sea and an open-air laser tag course.

7. Quantum of the Seas

Royal Caribbean's Quantum Class is made of three active ships of equal dimensions, the Quantum of the Seas, the Anthem of the Seas and the Ovation of the Sea, with more ships planned.

Although slightly smaller than Oasis ships, Quantum Class vessels offer a similar experience.

"They all feature great outdoor spaces, promenades and the cruise line's signature activities. The Quantum Class brought bumper cars and circus school" explains McDaniel.

To this you can add a full assortment of gastronomy options (18 restaurants,) a realistic indoor skydiving simulator or "North Star" and a jewel-shaped glass capsule that rises more than 300 feet in the air providing guests with 360-degree views.

The Bionic Bar, where a robotic barman prepares the cocktails, is also worth a mention.

As it's specially designed for the Asian market, Quantum of the Seas usually cruises out of China, and some features were adapted to meet local tastes and consumption habits such as a larger casino and more Asian food options.

8. Anthem of the Seas

Anthem of the Seas is the only Quantum Class that usually sails Atlantic waters. The ship took it's maiden voyage, an eight-night cruise to France and Spain from Southampton, in April 2015.

It became the largest cruise ship to ever visit a Canadian port when sailed to Halifax, Nova Scotia, in 2016.

9. Ovation of the Seas

Launched in 2016, this ship alternates between both ends of the Pacific, spending the Northern Hemisphere summer in Seattle for cruises into Alaska, and the rest of the year in Sydney, Australia.

As with its sister ships, Ovation of the Seas holds Royal Caribbean's most advanced staterooms ever, including the industry's first-ever Virtual Balcony staterooms, and a branch of celebrity chef Jamie Oliver restaurant's Jamie's Italian.

10. Norwegian Joy

This 1,094 foot vessel was custom built for China and has been styled exclusively for Chinese travelers, with a design by artist Tan Ping emblazoned across its hull.

Cruising between China and Australia, the Norwegian Joy has been in service since 2017 and can hold a maximum of 3,883 guests.

The official language onboard is Mandarin.

11. Norwegian Escape

In 2015, the Norwegian Escape became the first NCL ship to be delivered with an Exhaust Gas Cleaning (EGC) system, a technology that "scrubs away" sulfur oxide and other noxious particles.

This system has since been retrofitted or added to other vessels, making it possible for them to sail in areas such as Alaska, with very strict environmental regulations.

The ship is based in Miami and offers cruises to the Caribbean and the Bahamas.

12. Liberty of the Seas

Another mega ship of the Royal Caribbean Fleet, Liberty of the Seas added some tonnage after undergoing renovation in 2016, thus surpassing its Freedom-class sister ships Freedom of the Seas and Independence of the Seas.

Among the entertainment features onboard are a FlowRider surf wave generator, 3D movie theaters and the Tidal Wave, which was the first boomerang-style slide at sea when it was fitted.

There's also a well-regarded three-story dining room, with each level named after an Italian Renaissance painter.

13. Norwegian Epic

With a maximum capacity of 4,100, Norwegian Epic is a ship that partakes of the Norwegian freestyle cruising philosophy, doing away with formalities and schedule rigidities.

Its onboard entertainment, which includes Broadway shows like "Ballroom Blitz" and "Priscilla, Queen of the Desert" has received by several industry awards, such as the "Best Cruise Ship Entertainment" prize from travel guidebook series Frommer's.

Solo travelers keen to socialize will be glad to know that smaller studios with a shared private living room have been added onboard.

Meanwhile, guests struggling with the warm temperatures outside can cool off in the vessel's ice bar where the temperature is always 17 degrees Fahrenheit.

14. Freedom of the Seas

Like the majority of the other vessels listed, Freedom of the Seas was the world's biggest cruise ship when it first came onto the scene.

It recently moved from Florida to its new home port of Puerto Rico, taking on seven-night Southern Caribbean cruises.

While onboard, guests can enjoy the FreedomFest. Held in the promenade, the event brings together all the best things on the ship, such as the best food options as well as live demonstrations of activities on offer.

15. Independence of the Seas

Royal Caribbean's Freedom-class ships were the largest passenger ships in the world until the cruise liner launched its Oasis-class ships.

But while they've been overtaken by far newer and larger ships, the Liberty of the Seas and the Independence of the Seas still made it on to this list.

The 15-deck Independence of the Seas, which measures 1,112 feet, is in 15th place.

It currently operates out of Port Everglades, Florida during the winter and Southampton, England in the summer.

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