The Current World’s Two Largest Cruise Ships: A Marvel of Engineering and Luxury

The World's Two Largest Cruise Ships: A Marvel of Engineering and Luxury

Cruise ships have captured the imaginations of travelers around the world for decades. These floating cities on the seas offer the perfect blend of comfort, entertainment, and adventure. Over the years, cruise lines have pushed the limits of shipbuilding to create vessels that are not only massive but also offer a wide range of amenities and activities to cater to the diverse tastes of their passengers.

In this article, we will explore the world’s two largest cruise ships and delve into the fascinating world of maritime engineering and luxury.

Harmony of the Seas

Topping the list of the largest cruise ships in the world is the magnificent “Harmony of the Seas.” Built by the renowned cruise line Royal Caribbean International, this impressive vessel measures a staggering 1,188 feet (362 meters) in length and weighs over 226,000 gross tons. With a capacity of over 6,780 passengers and 2,100 crew members, it is no wonder that Harmony of the Seas is often compared to a floating city.

Harmony of the Seas boasts an array of features and amenities to cater to its discerning passengers. From multiple swimming pools and water slides to a theater, casino, and even a full-size basketball court, there is no shortage of entertainment options on board. Additionally, the ship offers a variety of dining options, ranging from casual buffet-style eateries to high-end gourmet restaurants.

Royal Caribbean's Harmony of the Seas
Royal Caribbean’s Harmony of the Seas

Symphony of the Seas

Another notable vessel in Royal Caribbean International’s fleet is the spectacular “Symphony of the Seas.” Measuring 1,184 feet (361 meters) in length and weighing over 228,000 gross tons, it is only slightly smaller than its sister ship, Harmony of the Seas. Boasting a capacity of over 6,680 passengers, Symphony of the Seas offers a similar level of luxury and entertainment.

Passengers on Symphony of the Seas can indulge in a wealth of activities, including surfing on the ship’s FlowRider surf simulator, zip-lining across the ship’s deck, or taking a ride on one of the tallest slides at sea. The ship also features a Central Park-themed area, complete with real trees and plants, providing a calm oasis for passengers to stroll through.

Royal Caribbean's Symphony of the Seas
Royal Caribbean’s Symphony of the Seas

Oasis-class Ships

Both Harmony of the Seas and Symphony of the Seas are part of Royal Caribbean International’s Oasis-class, which is a series of the largest cruise ships ever constructed. These groundbreaking vessels revolutionized the cruise industry by introducing innovative features such as the Aquatheater, which combines high-diving acrobatics with water-based performances.

The Oasis-class ships are marvels of engineering, with advanced stabilizers to minimize motion, state-of-the-art navigation systems, and environmentally friendly technologies. They are designed to ensure a smooth and luxurious voyage for passengers, even when sailing through rough waters.


The world’s largest cruise ships, such as Harmony of the Seas and Symphony of the Seas, are a testament to the ingenuity and ambition of the cruise industry. These colossal vessels not only push the boundaries of maritime engineering but also offer an unparalleled level of luxury and entertainment for their passengers.

Whether you crave action-packed adventures, gourmet dining experiences, or simply wish to unwind in a serene onboard oasis, these mammoth ships have something to offer for everyone. So, if you’re ready to embark on an unforgettable voyage, step aboard one of these giants of the seas and let the adventure begin!

Note: Please keep in mind that the information provided in this article is subject to change, as new cruise ships are constantly being developed and launched such as Royal Caribbean’s Icon class ships.

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