Royal Caribbean's Oasis-class ships aren't just big; these floating resorts are among the largest cruise ships in the world, and each one is packed with standout experiences, high-end amenities, and thoughtfully designed spaces for families, couples, and solo travelers that provide a unique experience at sea.

Whether planning your first cruise or looking to elevate your next vacation, this guide ranks and breaks down all five Oasis-class ships, Wonder of the Seas, Symphony of the Seas, Harmony of the Seas, Oasis of the Seas, and Allure of the Seas, based on what really matters: entertainment, food, and onboard activities. Each ship brings its own strengths and distinct atmosphere, some are great for families with kids or teens. Others lean into upgraded luxury, culinary experiences, or thrilling activities you can’t find anywhere else.

So if you're trying to decide which ship is right for your next cruise, this breakdown provides a practical tool for cruise vacation planning, helping you discover which one is the best fit for your style of travel. Whether it's your first cruise or your fifteenth, there's an Oasis-class ship that fits the vibe you’re after.

What Makes Oasis-Class Ships Unique?

Every ship in the Oasis class follows the same big idea: make the ship feel less like a cruise and more like a floating city. And it works.

• Split design: These ships are built with open-air spaces running right through the center, dividing them into different areas or "neighborhoods" that make it easy to explore without everything feeling crowded. There's even real greenery in spots like Central Park.
• Entertainment built in: Instead of just one main show, these ships spread the fun across the decks. Think high-diving shows at the AquaTheater, ice skating performances, and full-on Broadway productions—all happening during the same cruise.
• Geared for families: Oasis-class ships keep kids busy and happy with climbing walls, splash zones, kids' clubs, and even character meet-and-greets. It's the kind of place where parents can relax knowing there's something to keep everyone entertained.
• Neighborhood layout: Each ship is divided into themed spaces, like the tropical calm of Central Park, the energy of the Boardwalk, or the action-packed Royal Promenade. It's an easy way to find your favorite spot, whether you're looking for a quiet stroll or late-night music.

1. Wonder of the Seas: The Largest and Most Luxurious

Key Features of Wonder of the Seas

As the world's largest cruise ship, Wonder of the Seas offers something for every type of traveler. It features 8 distinct neighborhoods, a step up from the previous 7 on other Oasis-Class ships, providing even more variety and space. A brand-new suite neighborhood enhances the experience for high-end cruisers, while families and adventure seekers can enjoy its expansive water parks, pools, and play areas.

Dining Options Aboard Wonder of the Seas

Standout spots include 150 Central Park, focusing on refined dining in a garden-like setting, and Hooked Seafood, known for fresh coastal flavors and a relaxed vibe. Izumi Hibachi & Sushi brings the energy of a live cooking show with teppanyaki tables and handcrafted rolls, while The Mason Jar delivers Southern comfort food, think fried chicken, live country music, and bourbon milkshakes.

For something quicker, Boardwalk Dog House is a fun stop for classic hot dogs with a twist, and El Loco Fresh is the go-to for tacos and quesadillas poolside. Room service and the popular Windjammer buffet offer even more ways to keep things easy, no matter the time of day. Whether you're in the mood for something dressed-up or just looking to grab a quick bite on the way to the next activity, Wonder has you covered.

Entertainment Highlights on Wonder of the Seas

Entertainment on Wonder of the Seas includes breathtaking AquaTheater shows, ice-skating performances, and high-energy productions in the Royal Theatre. Guests can also enjoy live music, street performers in the Royal Promenade, and a large casino.

Families have plenty to love here, too. The ship features an expanded Wonder Playscape, an underwater-themed adventure zone with climbing walls, slides, and puzzles built just for kids. There’s also a pair of FlowRider surf simulators, the multi-deck Ultimate Abyss slide, and one of the most expansive water parks in the fleet.

For adults looking to unwind, Wonder adds thoughtful spaces like The Vue, a colorful glass-domed bar suspended over the ocean, and the Suite Sun Deck, a private escape with its own plunge pool and bar service.

With smart updates to nearly every space and new venues you won't find on other Oasis-class ships, Wonder of the Seas sets the bar high for what a mega-ship can be.

2. Symphony of the Seas: The Ultimate Adventure Ship

Key Features of Symphony of the Seas

Symphony of the Seas is built for adventure. It packs in high-energy thrills across the decks, making it a standout for families and travelers who want to stay active from morning to night. Guests can zip-line across the ship's open-air Boardwalk, scale one of two rock climbing walls, or take on the Ultimate Abyss, the tallest slide at sea, dropping ten decks in seconds.

While the ship is loaded with pulse-pounding features, it also balances the excitement with more peaceful spaces. Central Park is a guest favorite, a quiet, open-air garden lined with live plants, tucked between restaurants and wine bars. It's the kind of place where you can start your morning with coffee or wind down with a glass of red.

Families traveling with older kids or teens will appreciate extras like the laser tag arena, an immersive escape room, and two FlowRider surf simulators. There's also Splashaway Bay for younger kids and plenty of pool space for everyone.

Dining Options Aboard Symphony of the Seas

With dining options ranging from Italian to Chops Grille, Symphony of the Seas doesn't disappoint. It features some of the finest international cuisine, with more casual options available for buffets and quick bites.

The ship features more than 20 dining venues, offering a mix of specialty restaurants and casual go-to spots. Jamie's Italian serves rustic favorites like handmade pastas and slow-cooked meats, while Chops Grille is the place for classic steakhouse fare in an upscale setting. Guests can grab sushi or sizzling hibachi at Izumi, dig into comfort food at Johnny Rockets, or enjoy fresh Mediterranean flavors at Solarium Bistro. For casual bites, the Windjammer Marketplace buffet is open for all meals and always has something new to try.

Entertainment Highlights on Symphony of the Seas

Evenings on Symphony are packed with options. The ship's version of the AquaTheater hosts jaw-dropping acrobatics, synchronized diving, and high-energy stunts, all with the open ocean as the backdrop.

Broadway fans can catch a full-scale production of Hairspray, while Studio B transforms into a glow-in-the-dark party zone or a stage for themed ice skating shows. Live music spills out of lounges, karaoke bars, and the Royal Promenade, keeping the atmosphere buzzing well into the night.

With something happening around every corner, and plenty of places to relax in between, Symphony of the Seas is a top pick for travelers who want a ship that’s as active and entertaining as the destinations.

3. Harmony of the Seas: The Best for Waterslides and Entertainment

Key Features of Harmony of the Seas

Harmony of the Seas is a great pick for cruisers who want a ship that's just as fun as the ports it visits. It's especially known for its water attractions, starting with the Perfect Storm trio of twisting slides and a splash park that keeps younger guests happily entertained. Add in two FlowRider surf simulators, mini-golf, and the Ultimate Abyss, a 10-story dry slide, and there's no shortage of ways to stay active.

The ship also makes a strong first impression with its sleek, modern design. Like the rest of the Oasis-class fleet, Harmony includes themed neighborhoods like the Boardwalk, Central Park, and the Royal Promenade, giving the ship a layout that's easy to navigate and full of character. Families will find plenty to keep everyone happy, and adults have their own spots to relax, explore, or just grab a drink and watch the energy unfold around them.

Dining Options Aboard Harmony of the Seas

Harmony of the Seas offers 20 different dining venues, covering everything from elevated experiences to casual favorites. Wonderland is the standout for those looking for something creative and unexpected, think molecular gastronomy and dramatic presentation. Sabor Taqueria & Tequila Bar brings bold Mexican flavors, while Chops Grille and 150 Central Park focus on steakhouse and refined menus.

Casual options include Johnny Rockets, Mini Bites, and Windjammer Marketplace, all of which are great for grab-and-go meals between pool time and activities. There's also Izumi for sushi lovers and Coastal Kitchen for suite guests looking for exclusive dining.

Entertainment Highlights on Harmony of the Seas

Harmony has something happening every night, with entertainment designed to match every mood. The AquaTheater puts on high-diving, edge-of-your-seat performances, while the main theater hosts a full production of the musical Grease.

The ship's ice skating shows in Studio B are a Royal Caribbean signature, and Escape the Rubicon, Harmony's escape room experience, gives groups a fun challenge. The Bionic Bar, where robotic bartenders shake and pour your drink, adds a bit of sci-fi flair to the nightlife scene.

With so much happening across its decks, on the water, on stage, and everywhere in between, Harmony of the Seas strikes a strong balance between fun, style, and standout features.

4. Oasis of the Seas: The Original Game-Changer

What Makes Oasis of the Seas Stand Out?

Oasis of the Seas was the first ship of its kind, and it completely changed what people expect from a cruise. It introduced Royal Caribbean's now-famous neighborhood layout, which includes the first-ever Central Park at sea, plus the open-air Boardwalk, the Royal Promenade, and more. Even years after its debut, it still holds its own thanks to a full makeover that brought in fresh venues, new tech, and updated spaces throughout. With its revitalized design and smart use of space, Oasis proves that the original still has plenty to offer.

Dining Options Aboard Oasis of the Seas

There's something for every craving on Oasis. Giovanni's Table is a cozy Italian favorite with freshly made pasta and rustic dishes, while Chops Grille serves steaks and seafood in an upscale setting.

For a quick meal, Park Cafe is a go-to spot in Central Park for salads and pressed sandwiches, and Sorrento's Pizza on the Royal Promenade keeps the slices coming late into the night. After its recent upgrades, the ship now includes newer venues like Portside BBQ, El Loco Fresh, and a refreshed Windjammer Marketplace for even more choices.

Entertainment Highlights on Oasis of the Seas

Entertainment is where Oasis really shines. The AquaTheater stages dramatic shows with high dives and aerial stunts, while Studio B hosts ice skating performances that mix choreography with a bit of theatrical flair.

Guests can catch a full production of Cats in the main theater, or spend the evening exploring comedy shows, live music, and late-night venues scattered throughout the ship. Add in a FlowRider surf simulator and a zip-line across the Boardwalk, and it's easy to see why this ship is still one of the most dynamic in the fleet.

5. Allure of the Seas: Classic Cruise Elegance with Modern Fun

Family-Friendly Activities on Allure of the Seas

Allure of the Seas strikes a balance between timeless cruise experiences and the kind of modern updates that keep things fresh. It's especially popular with families, thanks to the H2O Zone water park, age-specific kids' clubs, and appearances by DreamWorks characters, who bring a little extra magic to the day-to-day.

Like its sister ships, Allure is divided into distinct neighborhoods, so it's easy to move between active areas, peaceful lounges, and open-air spaces. It's a solid option for multi-generational groups, with plenty to do for younger cruisers, teens, and adults alike.

Dining Options Aboard Allure of the Seas

With over 20 dining venues to choose from, Allure of the Seas covers everything from casual poolside eats to elevated evening meals. Windjammer Marketplace remains a favorite for breakfast and lunch, while 150 Central Park offers a more refined dinner setting surrounded by greenery.

Recent updates introduced Giovanni's Italian Kitchen & Wine Bar, a relaxed but stylish spot for handmade pasta, pizza, and, true to its name, a strong wine list. Other go-to options include Chops Grille, Izumi, and Sabor, each bringing its own flavor to the ship's food scene.

Entertainment Highlights on Allure of the Seas

There's no shortage of ways to stay entertained on Allure. Guests can catch Mamma Mia in the main theater, dive into edge-of-your-seat performances at the AquaTheater, or take in a comedy show or live band at one of the lounges.

The ship also features a full ice skating rink, which doubles as a performance venue and a guest activity space. Add in street performances on the Royal Promenade, karaoke nights, and themed dance parties, and you've got a ship that knows how to keep the energy going day and night.

Oasis-class cruise ships are some of the most remarkable and innovative on the seas today. Whether you're looking for family fun, thrilling activities, luxury dining, or world-class entertainment, these ships offer something for every type of cruiser. Each ship, from Wonder of the Seas to Allure of the Seas, brings its unique features and experiences, ensuring a memorable voyage no matter your choice.

Ready to embark on your dream cruise? Visit iCruise.com to explore more details about each Oasis-Class ship, compare itineraries, and book your next adventure today! Don't miss out on the chance to experience the best that cruising has to offer.

About iCruise Editorial Staff, Cruise & Travel Writer

Our in-house group of well-traveled cruise enthusiasts who love sharing their experience and knowledge with our clients. Maybe we'll see you on a cruise soon!