Who Has the Largest Cruise Ship in the World?

By Alice Nichols

When it comes to cruise ships, size matters. The world’s largest cruise ship is Royal Caribbean International’s Symphony of the Seas, which was launched in April 2018.

This massive vessel measures 1,188 feet long and has a maximum capacity of 6,680 passengers across its 18 decks. The ship is part of the Oasis class, which includes six other ships that are all slightly smaller than Symphony of the Seas.

Royal Caribbean International has been pushing the boundaries when it comes to size since they launched their first ship in 1968. They have consistently released larger and more impressive cruise ships over the years, culminating with Symphony of the Seas in 2018. With its impressive 18 decks and features like a zip line, an ice rink, a water park and even a miniature golf course, it’s no wonder why this huge vessel is so popular.

In addition to being the largest cruise ship in the world, Symphony of the Seas also holds the title for being one of the most luxurious vessels ever built. Passengers can enjoy world-class dining options at one of its many restaurants or relax in one of its numerous spas and pools. They can even explore unique experiences like skydiving or rock climbing on its state-of-the-art FlowRider surf simulator.

Symphony of the Seas isn’t just for pleasure-seekers either; it can also be chartered for corporate events or meetings. The ship features a conference center that spans two decks and offers plenty of space for meetings or events. It also has several state-of-the-art entertainment venues that can be used for presentations or social gatherings.


When it comes to size and luxury, Royal Caribbean International’s Symphony of the Seas reigns supreme as having the largest cruise ship in the world. This massive vessel measures over 1,000 feet long and has enough amenities to keep passengers entertained for weeks on end. Its impressive 18 decks feature everything from luxury dining options to thrilling experiences like skydiving or rock climbing so there truly is something for everyone aboard this amazing vessel.