Royal Caribbean Flagship Showdowns
Symphony of the Seas vs Icon of the Seas
Symphony of the Seas ruled as the world's largest cruise ship from 2018 until Icon of the Seas took the crown in 2024. Both are Royal Caribbean giants with neighborhoods, dozens of dining venues, and something for every age — but Icon is bigger, newer, and built around water thrills, while Symphony is the beloved Oasis-class flagship that usually costs less.
At a Glance
Symphony of the Seas
Royal Caribbean
Icon of the Seas
Royal Caribbean
Highlighted rows show where the two differ.
Amenity Differences
Only on Symphony of the Seas
- + Zip Line
On both
- ✓ Casino
- ✓ Fitness Center
- ✓ Ice Skating Rink
- ✓ Kids Club
- ✓ Pool
- ✓ Rock Climbing Wall
- ✓ Spa
- ✓ Specialty Dining
- ✓ Surf Simulator
- ✓ Theater & Shows
- ✓ Water Park & Slides
Only on Icon of the Seas
- + Adults-Only Area
- + AquaDome
- + Bars & Lounges
- + Carousel
- + Central Park
- + Mini Golf
- + Ropes Course
- + Thrill Island
What Real Travelers Say
Pros and cons from real traveler discussions.
Symphony of the Seas
- Seven distinct 'neighborhoods' (Central Park, Boardwalk, Royal Promenade, etc.) genuinely spread out 5,500+ guests, so even near-full the ship rarely feels as packed as the passenger count suggests — Central Park is a quiet, plant-filled retreat for reading and slower dinners
- Strongest entertainment lineup in the Oasis class: the Tony-winning Broadway musical 'Hairspray,' the aerospace production 'Flight,' the 'HiRO' AquaTheater high-dive show, and ice skating — book all four free shows in the app the day boarding opens because good slots fill fast
- Wonderland is widely called the best specialty restaurant in the fleet — an Alice-in-Wonderland multi-course tasting menu that's as much theater as dinner; pair it with Izumi, Chops Grille, and Hooked Seafood for the best paid dining
- Excellent free dining beyond the main dining room and Windjammer: El Loco Fresh, Solarium Bistro (an adults-area gem most guests miss), Park Cafe (the kummelweck roast-beef sandwich), and Sorrento's pizza
- Top-tier thrills: the Ultimate Abyss (tallest slide at sea, 10 stories), two FlowRider surf simulators (Wonder of the Seas has one), a zip line over the Boardwalk, rock walls, and an Escape Room
- Pinch-point crowding is real despite the layout: the Windjammer at peak lunch, the Royal Promenade during sales/parades, elevators at show let-out, and the pool deck (chair hogs) all bottleneck
- The sheer size means a lot of walking and waiting — an aft cabin to a forward show can mean long elevator queues; many reviewers recommend a midship/low-deck cabin to minimize the trek
- Boardwalk-view balcony cabins sit directly above the Boardwalk entertainment zone, so noise carries up late, and they aren't fully private (overlooked from the opposite side)
- Central Park-view balconies are quiet but get little direct sunlight and have a limited view
- Service and main-dining food quality are inconsistent in recent reviews — some guests rate hospitality very high while scoring dining noticeably lower; a subset feel post-pandemic cutbacks have dulled the experience
Icon of the Seas
- Crowds disperse remarkably well across 8 neighborhoods despite ~7,600 passengers - decks and the Royal Promenade rarely feel packed
- The Hideaway is the first suspended infinity pool at sea, anchoring an adults-leaning party zone among the ship's 7 pools and 9 hot tubs
- Category 6 is the largest water park at sea with 6 slides, including Frightening Bolt (longest drop slide at sea) and the free-fall Pressure Drop
- Chill Island features the largest pool at sea plus Swim & Tonic, Royal Caribbean's first swim-up bar, with abundant loungers
- Surfside is a dedicated family neighborhood (pool, eateries, carousel) that families consistently rate as a standout
- Peak times get genuinely crowded - members report shows and restaurants must be booked early, leaving little room for spontaneity
- The top water slides draw long lines on warm sea days (waits of nearly an hour reported for the drop slides)
- Premium and steeply rising pricing - balcony fares that launched near $4,100/wk have climbed to $7,000-$8,000+, and over $12,000 on holidays
- Pervasive upcharges: Crown's Edge (~$49pp), Empire Supper Club ($200pp), Desserted milkshakes ($35), and pool casitas up to $800 on sea days
- Specialty-dining costs add up fast (Unlimited Dining Package ~$100/night for two) and several 'new' eateries carry extra fees
The Verdict
These are both spectacular family megaships, and you truly cannot make a bad choice. The honest split comes down to newness versus value. Icon adds Category 6 — the largest waterpark at sea with six record-setting slides — plus the glass-domed AquaDome, a redesigned pool deck, and eight distinct neighborhoods, so it's the pick if you want features that exist nowhere else. Symphony counters with the things Oasis-class fans love most: the leafy open-air Central Park, the Boardwalk with its carousel and the Ultimate Abyss slide, and the AquaTheater, typically at a noticeably friendlier fare. Icon draws bigger crowds and higher prices right now; Symphony feels a touch more relaxed and easier on the wallet for a nearly identical range of activities.
Choose Symphony of the Seas if…
Choose Symphony of the Seas if you want the full mega-ship experience — Central Park, Boardwalk, world-class shows — without paying the newest-ship premium, and you value a slightly calmer onboard buzz.
See Symphony of the SeasChoose Icon of the Seas if…
Choose Icon of the Seas if you have water-loving kids or thrill-seekers, want the biggest waterpark at sea and the newest tech, and don't mind bigger crowds and a higher price for bragging rights on the world's largest ship.
See Icon of the Seas