Royal Caribbean’s biggest cruise ship currently in service is Symphony of the Seas, an Oasis-class vessel that measures 228,088 gross tons and stretches 1,188 feet in length. It carries up to 6,680 passengers at double occupancy across 18 decks, alongside a crew of approximately 2,200. The ship debuted in 2018 and is homeported year-round in Fort Lauderdale, Florida, sailing Western Caribbean and Bahamas itineraries. Below is a concise breakdown of its verified specifications, key amenities, and how it stacks up against earlier Oasis-class ships and newer competition.
Verified specifications at a glance
Compare Royal Caribbean’s flagship metrics with key competitors in the Oasis and Quantum classes. These figures reflect the vessel as currently configured for public service.
| Ship | Gross Tonnage | Length | Passenger Capacity | Cabins (Double Occupancy) | Year Delivered | Homeport |
|---|---|---|---|---|---|---|
| Symphony of the Seas | 228,088 GT | 1,188 ft | 6,680 | 2,747 | 2018 | Fort Lauderdale, Florida |
| Oasis of the Seas | 225,282 GT | 1,184 ft | 6,296 | 2,747 | 2009 | Port Canaveral, Florida |
| Allure of the Seas | 225,282 GT | 1,184 ft | 6,296 | 2,747 | 2010 | Port Canaveral, Florida |
| Harmony of the Seas | 226,963 GT | 1,188 ft | 5,698 | 2,200 | 2016 | Fort Lauderdale, Florida |
| Quantum of the Seas | 168,666 GT | 1,112 ft | 4,180 | 1,670 | 2014 | New York, New York |
Key onboard amenities and guest capacities
With 2,747 cabins designed for double occupancy, Symphony of the Seas offers a range of interior, oceanview, and balcony staterooms, including limited suites. Public areas span multiple zones, including Central Park, a boardwalk, sports courts, and an adults-only retreat. Dining includes main dining rooms, specialty restaurants, and buffet venues. The vessel also features a children’s water park, an ice rink, a theater, and a variety of bars and lounges.
Deck layout and passenger flow
Symphony of the Seas’ 18 decks are organized with lower levels housing crew and machinery, midship sections dedicated to cabins, and upper decks concentrating entertainment, dining, and pool areas. The main lido deck provides most outdoor pool and seating space, while the top decks feature quieter areas and observation spots. Wayfinding signage and digital directories are consistently updated across the ship to support smooth passenger navigation.
How it compares to older Oasis-class ships
Compared to Oasis of the Seas and Allure of the Seas, Symphony of the Seas is slightly longer and holds more passengers by capacity, though crew counts remain similar. Upgrades include enhanced balcony cabin options, refined dining venues, and updated entertainment spaces. Harmony of the Seas, an intermediate Oasis-class ship, is slightly lighter in gross tonnage and carries fewer passengers than Symphony while maintaining a similar beam and overall layout.
Competition from newer classes
Royal Caribbean’s Quantum-class ships, such as Quantum of the Seas and Anthem of the Seas, are smaller in gross tonnage but introduce different design elements like a more compact layout, sky-rise indoor ropes courses, and virtual reality experiences at sea. While Quantum-class vessels carry fewer passengers, they emphasize technology-forward amenities and alternative entertainment formats. Industry rivals from Carnival and Norwegian have also expanded capacities in recent years, making Symphony the largest by gross tonnage in Royal Caribbean’s current fleet as of its latest delivery.
Current deployment and what that means for guests
As of the most recent seasonal itinerary announcements, Symphony of the Seas sails primarily from Fort Lauderdale, offering Western Caribbean and Bahamas voyages. Its size supports a broad program of activities, shows, and dining options, which can translate to a vibrant yet busy environment. Travelers who prefer a higher ratio of public space to passengers may find Quantum-class ships more intimate, while those seeking maximum scale and amenities often choose Symphony.
Frequently asked questions
- What is Royal Caribbean’s largest ship in service right now? Symphony of the Seas, at 228,088 gross tons and 1,188 feet long.
- How many passengers can Symphony of the Seas carry? Up to 6,680 passengers at double occupancy across 2,747 cabins.
- Is Symphony the newest Oasis-class ship? Yes, it is the final Oasis-class vessel delivered to date, entering service in 2018.
- Do Royal Caribbean’s Quantum-class ships carry as many people? No, Quantum-class vessels are smaller, with capacities around 4,180 passengers.
- Where is Symphony of the Seas homeported? Fort Lauderdale, Florida, for Western Caribbean and Bahamas itineraries.