Today’s cruise lines are building bigger and better cruise ships regularly. These floating cities are now reaching unimaginable sizes and offering guests incredible amenities.
The Biggest Cruise Ships in the World
Cruise Addicts has rounded up and listed the worlds top ten biggest cruise ships in the world by gross tonnage (which is a measure of volume, and not weight). You will also find some other useful information and statistics to show incredible size these floating resorts have to offer guests.
When she is completed Icon of the Seas (shown above) will be joining our list when she enters service in January 27, 2024. She will then take her place as the largest cruise ship at 250,800 gross tonnage.
What’s the Largest Cruise Ship in the World?
Currently the largest cruise ship in the World is Wonder of the Seas by Royal Caribbean International. She is an incredible 235,600 gross tones and is part of the popular Oasis Class and can hold a total of 7,084 passengers.
Keep in mind that this list of biggest cruise ships in the world changes annually as cruise lines regularly updating their fleets. Take a look at our list of the biggest cruise ships in the list below.
1. Wonder of the Seas (Royal Caribbean)
Wonder of the Seas is the fifth ship in the popular Oasis Class and is 235,600 GT’s. She carries 5,734 passengers (based on two per cabin) with a total guest capacity of 7,084. Wonder of the Seas is the first ship in the Oasis Class to feature 8 neighborhoods with the addition of the new Suite Neighborhood. She also received other design enhancements to the Windjammer Café and other areas and is the first ship to include the popular restaurant, The Mason Jar. The Godmother of the ship is Marie McCrea.
Wonder of the Seas Stats
- Cruise Line: Royal Caribbean
- Entered Service: March 4, 2022
- Gross Tonnage: 235,600
- Length: 1,188 ft
- Decks: 18
- Staterooms: 2,867
- Passenger Capacity: 5,734 (Double) / 7,084 (Total)
- Crew Capacity: 2,204
2. Symphony of the Seas (Royal Caribbean)
Symphony of the Seas is the fourth ship in the Oasis Class and is 228,081 GT’s. She carries 5,518 passengers (based on two per cabin) with a total guest capacity of 6,680. The 18 deck ship ship includes 7 neighborhoods and the Ultimate Family Suite. You can also take a ride of the Ultimate Abysss, which is a 10-story dry slide. The GodFamily of the ship are the PeneVegas family which includes Alexa, Carlos and Ocean.
Symphony of the Seas Stats
- Cruise Line: Royal Caribbean
- Entered Service: April 7, 2018
- Gross Tonnage: 228,081
- Length: 1,188 ft
- Decks: 18
- Staterooms: 2,759
- Passenger Capacity: 5,518 (Double) / 6,680 (Total)
- Crew Capacity: 2,200
3. Harmony of the Seas (Royal Caribbean)
Harmony of the Seas is the third ship in the Oasis Class and is 226,963 GT’s. She carries 5,479 passengers (based on two per cabin) with a total guest capacity of 6,687. The 18 deck ship took her maiden voyage on May 29, 2016. Her Godmother is Brittany Affolter.
Harmony of the Seas Stats
- Cruise Line: Royal Caribbean
- Entered Service: May 29, 2016
- Gross Tonnage: 226,963
- Length: 1,188 ft
- Decks: 18
- Staterooms: 2,747
- Passenger Capacity: 5,479 (Double) / 6,687 (Total)
- Crew Capacity: 2,200
4. Oasis of the Seas (Royal Caribbean)
The revolutionary Oasis of the Seas is the first ship in the Oasis Class and is 226,838 GT’s. She carries 5,602 passengers (based on two per cabin) with a total guest capacity of 6,771. The ship features 7 different neighborhoods and highlights like the Portside BBQ, Ultimate Panoramic Suite, Music Hall, Ultimate Abyss (10-story dry slide), The Perfect Storm waterpark and more. Her Godmothers are Gloria Estefan, Michelle Kwan, Dara Torres, Keshia Knight Pulliam, Shawn Johnson, Jane Seymour and Daisy Fuentes.
Oasis of the Seas Stats
- Cruise Line: Royal Caribbean
- Entered Service: December 5, 2009
- Gross Tonnage: 226,838
- Length: 1,187 ft
- Decks: 18
- Staterooms: 2,801
- Passenger Capacity: 5,602 (Double) / 6,771 (Total)
- Crew Capacity: 2,300
5. Allure of the Seas (Royal Caribbean)
Allure of the Seas is the second ship in the Oasis Class and is 225,282 GT’s. She carries 5,496 passengers (based on two per cabin) with a total guest capacity of 6,826. The 18 deck ship took her maiden voyage on Dec 5, 2010. The ship features 7 different neighborhoods and highlights featuring a Central Park, Carousel, Zip Line ride and an Aquatheater. Her Godmother is Princess Fiona.
Allure of the Seas Stats
- Cruise Line: Royal Caribbean
- Entered Service: December 5, 2010
- Gross Tonnage: 225,282
- Length: 1,187 ft
- Decks: 18
- Staterooms: 2,742
- Passenger Capacity: 5,496 (Double) / 6,826 (Total)
- Crew Capacity: 2,054
6. MSC World Europa (MSC Cruises)
At 1,093 ft. long, 22 decks high and with 430,556 sq. ft. of public space, MSC World Europa is MSC Cruises’ longest ship in the fleet, but this space is not just for show. The increased size means that the ship will offer a variety of novel and engaging experiences to be enjoyed by one and all.
One of the key features of the completely reimagined ship is The Spiral – a striking architectural centerpiece in the form of a dry slide spanning 11 decks – the longest at sea! The sleek curves of the impressive stainless-steel slide make it a true work of art as well as a fun way to get from the top of the ship to the promenade.
MSC World Europa Stats
- Cruise Line: MSC Cruises
- Entered Service: December 2022
- Gross Tonnage: 215,863 tons
- Length: 1,093 feet
- Decks: 16
- Staterooms:2700
- Passenger Capacity: 5,400 (Double) / 6,762 (Total)
- Crew Capacity: 2,300
7. Costa Smeralda (Costa Cruises)
The LNG powered Costa Smeralda was built in 2019 and is one of the line’s Excellence Class ships.
Costa Smeralda Stats
- Cruise Line: Costa Cruise Lines
- Entered Service: 2019
- Gross Tonnage: 185,010
- Length: 1,106 feet ft
- Decks: 20
- Staterooms: 2,614
- Passenger Capacity: 5,224 (TWO) / 6,554 (Max)
- Crew Capacity: 1,646
8. Costa Toscana (Costa Cruises)
Costa Toscana Stats
The LNG powered Costa Toscana was built in 2022 and is one of the line’s Excellence Class ships.
- Cruise Line: Costa Cruise Lines
- Entered Service: March 2022
- Gross Tonnage: 182,700
- Length: 1,105 ft
- Decks: 19
- Staterooms: 2,663
- Passenger Capacity: 6,600 passengers
- Crew Capacity: 1,678
9. P&O Iona (P&O Cruises)
P&O Iona Stats
At 185,000 tonnes, 1131 feet in length with 16 guest decks, Iona is P&O Cruises second ship to be powered by liquefied natural gas (LNG), the marine industry’s most advanced fuel technology to date.
- Cruise Line: P&O Cruises
- Entered Service: August 2021
- Gross Tonnage: 184,700
- Length: 1,128 ft
- Decks: 15
- Staterooms: 2,614
- Passenger Capacity: 5,200 passengers
- Crew Capacity: 1,800
10. P&O Arvia (P&O Cruises)
At 185,000 tonnes, 1131 feet in length with 16 guest decks, P&O Arvia is P&O Cruises second ship to be powered by liquefied natural gas (LNG), the marine industry’s most advanced fuel technology to date. Arvia has an optimised hull design to minimise drag and is installed with the latest energy-efficient technology on board.
P&O Arvia Stats
- Cruise Line: P&O Cruises
- Entered Service: December 15, 2022
- Gross Tonnage: 185,000
- Length: 1,188 ft
- Decks: 16
- Staterooms: 2,867
- Passenger Capacity: 5,734
- Crew Capacity: 2,300
Looking Ahead at Icon of the Seas
Join us as we take a special first look at Icon of the Seas, the World’s next biggest cruise ship. Royal Caribbean International has revealed the highly anticipated Icon of the Seas, the Icon of Vacations.
Arriving in late 2023 ahead of its January 2024 debut, the first Icon Class ship will be the travel industry’s first-of-its-kind combination of the best of every vacation.
