Top 10 Biggest Cruises Ships In The World 2025

The global cruise industry has reached amazing new heights as of 2025, revealing some of the most impressive and huge ships ever built. These “floating cities” are the pinnacle of modern engineering, offering unmatched luxury, cutting-edge amenities, and mind-blowing experiences that change the way people travel by sea. With record-breaking waterparks, state-of-the-art theaters, and eco-friendly technologies, today’s biggest cruise ships are made to impress both in size and service.

List Of Top 10 Biggest Cruises Ships In The World 2025

1. Wonder of the Seas

It was launched in March 2022 and is one of the most amazing cruise ships Royal Caribbean International has ever built. As of 2025, it is still one of the world’s largest and most luxurious cruise ships, offering the perfect mix of new ideas, large size, and amazing guest experiences. This amazing ship is part of Royal Caribbean’s famous Oasis Class, which set new standards in the cruising world with its unique neighborhoods, record-breaking amenities, and wide range of entertainment options.

2. Symphony of the Seas

Inaugurated in 2018, Symphony of the Seas is a quintessential cruise ship, part of Royal Caribbean International’s Oasis Class of mega-vessels. For numerous years, it retained the esteemed designation of the world’s largest cruise ship, and as of 2025, it continues to be one of the most remarkable and opulent ships navigating the oceans. Symphony of the Seas epitomises the ideal amalgamation of innovation, entertainment, and comfort, providing an unmatched vacation experience for guests of all ages.

3. Harmony of the Seas

Harmony of the Seas, a Royal Caribbean International Oasis Class ship launched in 2016, continues to amaze travellers in 2025 with its innovative design, exceptional entertainment, and diverse activities. From record-breaking slides to Broadway-style shows, Harmony makes cruising an unforgettable experience.

4. Oasis of the Seas

At the time of her maiden voyage in 2009, the Oasis of the Seas revolutionised the concept of what a cruise ship could be and what it could accomplish. Royal Caribbean International’s Oasis of the Seas was the first ship of her kind to be built in the Oasis Class. At the time, it was the largest cruise ship in the world, and it brought an entirely new level of innovation and luxury to the industry of cruising. Even in the year 2025, this legendary ship continues to be one of the most sought-after vessels for vacationers who are looking for an experience that will truly be unforgettable. The Oasis of the Seas continues to be a pioneer in the realm of mega-cruise ships thanks to its innovative design, which includes unique neighbourhoods, entertainment of the highest calibre, and a limitless variety of dining options.

5. Allure of the Seas

The Allure of the Seas, which was introduced to the world in 2010, is the most prestigious vessel in Royal Caribbean International’s Oasis Class fleet. Even now, in the year 2025, she continues to be regarded as one of the most spectacular and well-liked vessels that are now operating in the ocean. When she first made her debut, she was acknowledged as the largest cruise ship in the world. A cruise ship is not the same thing as a destination; the Allure of the Seas is a destination in and of itself, providing passengers with a seamless blend of luxury, adventure, and entertainment of the highest calibre. The Allure of the Seas is a brilliant example of what modern cruising is all about because it has vast decks, technologically advanced features, and a variety of experiences that are tailored for passengers of all ages.

6. MSC World Europa

The MSC World Europa was the first vessel to be introduced into the World Class fleet of MSC Cruises. As of the year 2025, it continues to be one of the most forward-thinking and environmentally conscious cruise ships currently in operation globally. This ship, the MSC World Europa, is a representation of the future of cruising because of its ultra-modern design, ground-breaking green technologies, and astonishing magnitude. It combines luxury, sustainability, and entertainment on a huge scale. MSC globe Europa has quickly become a favourite among travellers who are looking for next-generation experiences at sea. Its mission is to provide passengers with amazing adventures that take them to some of the most magnificent sites in the most beautiful parts of the globe.

7. Costa Smeralda

The Costa Smeralda, which was introduced to the world in December 2019, is the flagship ship of Costa Cruises. Its purpose is to convey the sophistication, vivacity, and culinary quality of Italy to the high seas. The Costa Smeralda, which was given its name after the breathtaking Emerald Coast of Sardinia, is not only one of the largest cruise ships in the world as of the year 2025, but it is also one of the most environmentally sophisticated cruise ships, with a strong dedication to sustainable cruising. The Costa Smeralda has revolutionised what it means to cruise in a manner that is both stylish and responsible by combining Italian artistry, environmentally friendly technology, and sumptuous experiences.

8. Costa Toscana

The Costa Toscana, which will be introduced in 2021, is the sister ship to the Costa Smeralda. It is the most recent realisation of Costa Cruises’ dedication to preserving the environment, fostering innovation, and achieving excellence in Italian cuisine. The Costa Toscana is a floating monument to the beauty, culture, and flavours of Italy. It offers guests an extraordinary experience with all of the comfort, style, and entertainment of a world-class resort at sea. The name of the ship comes from the gorgeous area of Tuscany, which is located in Italy. Due to the fact that it is one of the largest and most technologically sophisticated cruise ships as of the year 2025, the Costa Toscana offers passengers the ideal combination of luxury, environmentally responsible technology, and cultural immersion experiences, making it an exceptional option for vacationers who are looking for both rest and excitement.

9. Arvia (P&o Cruises)

Arvia is the newest ship in the prestigious P&O Cruises line. It was launched in December 2022 and is a symbol of modern cruising, casual elegance, and caring for the environment. As Iona’s sister ship, Arvia was made to bring fun and sunshine all year long. Its itineraries focus on warm-weather places, and there are activities on board that celebrate freedom, adventure, and connection. By 2025, Arvia has become one of the best cruise ships in Britain. It has cutting-edge technology, modern design, and world-class entertainment, and it uses Liquefied Natural Gas (LNG) to power itself to be environmentally friendly.

10. Iona, P&o Cruises

When it comes out in 2020, Iona will be P&O Cruises’ biggest and most innovative ship. It was intended to combine British style with cutting-edge technology and eco-friendly cruising. As the first British cruise ship to use Liquefied Natural Gas (LNG), Iona sets a new standard for environmentally friendly travel. She also gives her guests a unique experience with delicious food, top-notch entertainment, and stunning scenery. This beautiful ship is named after the small Scottish island of Iona, which is known for its peace and natural beauty. It embodies the spirit of discovery, relaxation, and adventure, making it ideal for modern cruising in 2025 and beyond.