Are you ready to embark on an unforgettable voyage aboard the largest cruise ships in the world? These magnificent floating cities offer an unparalleled experience for travelers seeking excitement, luxury, and adventure on the high seas. This guide will take a closer look at the biggest cruise ships in 2023, showcasing their grandeur, amenities, and unique features.
Wonder of the Seas: Royal Caribbean’s Oasis-class Marvel
Let’s start our exploration of the largest cruise ships in the world with Wonder of the Seas, the current reigning champion. Operated by Royal Caribbean, Wonder of the Seas is part of the esteemed Oasis-class vessels and stands tall as a testament to luxury and innovation. With a colossal gross tonnage of 236,857, this ship can accommodate an impressive guest capacity of 6,988 passengers and boasts a crew capacity 2,300.
Step aboard Wonder of the Seas, and a world of wonders will greet you. The ship features eight distinct neighborhoods, including the magnificent Central Park, a lush oasis filled with greenery, upscale dining options, and high-end shops. With 25 different restaurants, two FlowRider surf simulators, two rock climbing walls, four pools, and an immersive AquaTheater, there’s never a dull moment in this floating paradise.
Symphony of the Seas: A Symphony of Luxury and Entertainment
Coming in at a close second on our list of the largest cruise ship in the world is Symphony of the Seas, another magnificent vessel from Royal Caribbean’s Oasis class. With a guest capacity 6,680 and a gross tonnage of 228,081, Symphony of the Seas offers an extraordinary experience for travelers of all ages.
Step aboard Symphony of the Seas, and you’ll be immersed in a world of musical enchantment. This ship features a live orchestra playing in the theatre, adding a touch of elegance and grandeur to the onboard entertainment. With seven neighborhoods, including the iconic Central Park, where you can stroll amidst lush greenery and enjoy alfresco dining, Symphony of the Seas offers a truly unique and unforgettable experience.
Harmony of the Seas: Where Harmony Meets Adventure
Prepare to be amazed by Harmony of the Seas, the third Oasis-class ship on our list of the largest cruise ships in the world. With a guest capacity of 6,687 and a gross tonnage of 226,963, Harmony of the Seas offers a harmonious blend of luxury, entertainment, and adventure.
As you step onboard Harmony of the Seas, you’ll be greeted by a world of excitement and wonder. This ship features 18 decks. With 24 dining venues to choose from, including specialty restaurants and casual eateries.
Harmony of the Seas is permanently based in the Caribbean, offering unforgettable sailings from Galveston in Texas.
Oasis of the Seas: Pioneering Excellence and Adventure
Embark on a voyage of discovery aboard Oasis of the Seas, the first Oasis-class ship that paved the way for a new era of cruising. This majestic vessel, with a guest capacity of 6,771 and a gross tonnage of 226,838, continues to impress with its innovative features and breathtaking design.
Oasis of the Seas offers many amenities and attractions to cater to every interest and taste. Zip-line across the ship’s Boardwalk, catch a show at the AquaTheater or challenge yourself on the rock climbing wall. Indulge in a culinary adventure at the Portside BBQ or enjoy a thrilling ride down the Ultimate Abyss, the tallest slide at sea.
Sailing from Fort Lauderdale and Miami in Florida during the winter season, Oasis of the Seas offers a variety of itineraries, including voyages to the Bahamas and the Caribbean.

Allure of the Seas: Where Allure Meets Adventure
Prepare to be captivated by Allure of the Seas, the second Oasis-class ship that continues mesmerizing passengers with its grandeur and entertainment offerings. With a guest capacity 6,780 and a gross tonnage of 225,282, Allure of the Seas promises an unforgettable vacation experience.
Allure of the Seas offers a wealth of attractions and amenities to keep you entertained throughout your journey. Explore the ship’s seven distinct neighborhoods, including the vibrant Central Park and the thrilling Boardwalk. Take a ride on the iconic Carousel, zip-line across the boat, or enjoy breathtaking performances at the Aquatheater.
Sail exclusively around the Caribbean from Orlando and Galveston, and immerse yourself in the beauty of tropical paradises and crystal-clear waters.
MSC World Europa: A Futuristic Marvel
Embark on a journey into the future with MSC World Europa, a groundbreaking vessel that combines cutting-edge technology with luxurious amenities. With a guest capacity 6,762 and a gross tonnage of 215,863, MSC World Europa offers a truly unique and unforgettable cruise experience.
Step aboard MSC World Europa, and a world of innovation and elegance will greet you. This ship features the extraordinary Kinetic Dome, a striking architectural centerpiece that spans 11 decks and showcases a mesmerizing stainless-steel slide. Imagine thrilling activities at the Luna Park Arena or a culinary journey at one of the ship’s 30 dining venues.
MSC World Europa offers a range of Mediterranean itineraries, allowing you to explore captivating destinations while enjoying the utmost comfort and luxury.
Arvia: P&O Cruises’ Ultimate Flagship
Experience the ultimate British cruising with Arvia, the newest addition to the P&O Cruises fleet. With a guest capacity 6,685 and a gross tonnage of 185,581, Arvia offers a blend of luxury, entertainment, and relaxation, all with a touch of British charm.
Arvia has many dining options, including over 30 restaurants and bars. Indulge in culinary delights at Green & Co, a plant-based restaurant offering fantastic vegetarian and vegan options, or enjoy live entertainment at The Limelight Club while savoring supper bites.
Arvia sails throughout the Mediterranean, offering a variety of itineraries that allow you to explore the region’s stunning landscapes, rich history, and vibrant culture.
Costa Smeralda: Italian Elegance on the High Seas
Experience the epitome of Italian elegance aboard Costa Smeralda, the biggest cruise ship in the world 2023 Costa Cruises fleet. With a guest capacity of 6,554 and a gross tonnage of 185,010, Costa Smeralda offers a truly immersive Italian experience, from its cuisine to its design.
Costa Smeralda boasts a variety of dining options, including Mediterranean-themed restaurants that showcase the flavors of Italy. With 11 places to eat and 19 bars or lounges, you’ll have plenty of opportunities to savor exquisite meals and indulge in refreshing beverages.
Sail the Mediterranean and immerse yourself in the beauty of iconic destinations, from the sun-kissed beaches of the Greek Islands to the historic cities of Italy and Spain.
Costa Toscana: Italian Charm and Luxury
Embark on a journey of Italian charm and luxury aboard Costa Toscana, the twin sister of Costa Smeralda. With a guest capacity 6,554 and a gross tonnage 185,010, Costa Toscana offers a similar experience to its sister ship, focusing on Italian cuisine, design, and hospitality.
Costa Toscana sails the Mediterranean, offering a range of itineraries that allow you to explore iconic destinations and immerse yourself in the rich history and culture of the region. Whether you’re seeking relaxation, gourmet dining experiences, or exhilarating activities, Costa Toscana has something for everyone.
Iona: P&O Cruises’ Iconic Flagship
Discover the iconic flagship of P&O Cruises with Iona, a vessel that combines elegance, entertainment, and relaxation. With a guest capacity 6,600 and a gross tonnage 184,089, Iona offers a truly immersive British cruising experience.
Indulge in a culinary journey at one of Iona’s many dining venues, from fine dining restaurants to casual eateries offering a range of international cuisines. Unwind in the luxurious spa, enjoy world-class entertainment, or relax in one of the five swimming pools.
Iona sails throughout Europe, offering itineraries that showcase the Fjords’ breathtaking beauty, the Canary Islands’ warmth, and the vibrant cities of Spain and Portugal. Iona has it all, whether you’re seeking adventure, relaxation, or cultural experiences.

Frequently Asked Questions
What is the largest cruise ship in the world in 2023?
The biggest cruise ship in the world in 2023 is the Wonder of the Seas, operated by Royal Caribbean, with a gross tonnage of 236,857.
How many guests can the Wonder of the Seas accommodate?
The Wonder of the Seas can accommodate up to 5,734 guests.
What are the other large cruise ships operated by Royal Caribbean?
The other large cruise ships operated by Royal Caribbean include Symphony of the Seas, Harmony of the Seas, Oasis of the Seas, and Allure of the Seas.
What is the passenger capacity of these Royal Caribbean cruise ships?
The passenger capacities of these Royal Caribbean cruise ships vary, with the Wonder of the Seas accommodating 5,734 guests, Symphony of the Seas accommodating a similar number, and Harmony of the Seas accommodating 5,497 guests.
Are there any upcoming cruise ships that will surpass the Wonder of the Seas?
Yes, Royal Caribbean’s Icon of the Seas, set to be delivered in 2024, will become the new largest cruise ship in the world 2023.
What are the unique features of the Wonder of the Seas?
The Wonder of the Seas features themed neighborhoods, including a new Suite Neighborhood with additional amenities.
How often does the list of biggest cruise ships change?
The list of biggest cruise ships changes annually as cruise lines update their fleets and introduce new mega-ships.
Is there any other cruise ship mentioned as one of the longest ships in the fleet?
Yes, MSC World Europa by MSC Cruises is mentioned as one of the longest ships in the fleet.
What is the gross tonnage of the Wonder of the Seas?
The Wonder of the Seas has a gross tonnage of 236,857.
What is the passenger capacity of the largest cruise ship in the world?
The largest cruise ship in the world, the Wonder of the Seas, can accommodate up to 5,734 guests.
Bigger Ships on the Horizon
As we look to the future, it’s clear that the world of cruising is only getting bigger and better. One ship on the horizon that promises to redefine the concept of luxury and size is Icon of the Seas, set to launch in late 2023. With a projected gross tonnage of 250,800 and a guest capacity 7,600, Icon of the Seas will claim the title of the world’s largest cruise ship.
Royal Caribbean’s Icon of the Seas will offer an unparalleled experience, combining the best of every vacation. From luxurious accommodations and world-class dining to thrilling entertainment and innovative amenities, this ship will push the boundaries of what’s possible in the world of cruising.
These floating cities offer a world of possibilities for travelers seeking the ultimate vacation experience. So, whether you choose to embark on one of the largest cruise ships in the world or set sail on the next generation of mega-ships, get ready for the adventure of a lifetime on the high seas.
No comment