Royal Caribbean operates 29 cruise ships in 2026, making it one of the largest fleets in the world. From the record-breaking Icon Class mega-ships — the two largest cruise ships ever built — to intimate Radiance Class vessels built for scenic coastal sailing, the fleet spans an extraordinary range of sizes, styles, and onboard experiences. This guide explains every ship class so you can choose the right Royal Caribbean vessel for your next cruise.

The Icon Class is Royal Caribbean's newest and most ambitious ship design. Three ships sail in this class in 2026: Icon of the Seas (launched January 2024), Star of the Seas (launched August 2025), and the brand-new Legend of the Seas (launching July 2026). All three weigh approximately 250,800 gross tons, stretch over 365 metres, and carry up to 7,600 passengers. They are definitively the largest cruise ships in the world.

Each Icon Class ship is divided into eight distinct neighbourhoods: AquaDome (with an indoor AquaTheater and food hall), Central Park (an open-air space with restaurants and bars), Surfside (a family neighbourhood with pools and kid-friendly dining), The Hideaway (an adults-only area with the world's only suspended infinity pool at sea), Chill Island, Thrill Island, Swim & Tonic, and Royal Promenade. Category 6 Waterpark — the largest waterpark at sea — features six record-breaking slides. These ships sail Caribbean itineraries from US ports.

Before the Icon Class arrived, the Oasis Class held every size record. Six ships make up this class: Oasis of the Seas, Allure of the Seas, Harmony of the Seas, Symphony of the Seas, Wonder of the Seas, and Utopia of the Seas. All weigh between 225,000 and 237,000 gross tons with capacity for 5,400–5,700 passengers. Each ship is divided into seven neighbourhoods, including an actual open-air Central Park with living trees and 20+ restaurants and bars. Stand-out features include the AquaTheater with high-diving performances from 30-foot platforms, the Ultimate Abyss dry slide (10 stories tall), and the FlowRider surf simulator. These ships primarily sail Caribbean itineraries from US ports.

Five ships make up the Quantum Class: Quantum of the Seas, Anthem of the Seas, Ovation of the Seas, Spectrum of the Seas, and Odyssey of the Seas. These ships weigh approximately 168,000 gross tons and carry around 4,180–5,500 passengers. The defining features are genuinely innovative: RipCord by iFLY (the first skydiving simulator at sea), the North Star observation capsule (Guinness World Record holder for highest viewing deck on a cruise ship), SeaPlex (the largest indoor activity centre at sea, featuring bumper cars, roller skating, and laser tag), and Two70 (a multi-sensory performance space with robotics and cinema-scale screens). Spectrum of the Seas sails from Shanghai for Asian itineraries; Anthem of the Seas is based in Sydney, Australia.

The Freedom Class consists of five ships: Freedom of the Seas, Liberty of the Seas, Independence of the Seas, Adventure of the Seas, and Explorer of the Seas. With a gross tonnage of approximately 158,000 and capacity for around 4,370 passengers, these ships offer a full big-ship Royal Caribbean experience at consistently more accessible prices than the newer classes. Features include FlowRider, rock climbing walls, ice skating rinks, and multiple pools. Strong value for families who want the Royal Caribbean formula without paying top-of-fleet prices.

Five ships comprise the Voyager Class: Voyager of the Seas, Explorer of the Seas, Adventure of the Seas, Mariner of the Seas, and Navigator of the Seas. With around 137,000–138,000 gross tons and capacity for 3,800 passengers, these ships introduced many features now standard across the fleet: the Royal Promenade (a multi-deck indoor shopping and dining boulevard), the ice skating rink, mini-golf, and the rock climbing wall. Navigator of the Seas sails from Singapore in late 2026–2027. Voyager of the Seas is sailing Alaska for the first time in 2026.

Four ships in the Radiance Class — Radiance of the Seas, Brilliance of the Seas, Serenade of the Seas, and Jewel of the Seas — weigh around 90,000 gross tons and carry approximately 2,100 passengers. These ships prioritise scenic beauty and port access over mega-ship attractions: wide windows throughout offer panoramic sea views, and their smaller size allows them to dock in ports that the larger classes cannot reach. Popular for Mediterranean, Northern Europe, and Alaska sailings. Features include the Solarium adults-only pool area and rock climbing wall.

The Vision Class comprises Royal Caribbean's oldest and smallest active ships — Vision of the Seas, Enchantment of the Seas, and Grandeur of the Seas — ranging from 74,000 to 82,000 gross tons with capacity for around 2,000–2,500 passengers. These ships have a more traditional cruise feel with live music in the main lobby, Broadway-style shows, mini-golf, a rock climbing wall, and pool decks. They sail itineraries that larger ships simply cannot — including port-intensive Mediterranean and transatlantic routes that stop nearly every day.

The best ship depends entirely on what matters most to your trip:

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