A ship class is a family of ships built from the same core design. Compare classes to understand the size, layout, and onboard experience before choosing an individual ship.
Compare the experienceSee how sister ships stack up on size and amenities.
Know what to expectSimilar layouts and headline features across a class.
Spot meaningful refitsIndividual ships may change as they are updated.
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~2,400–2,750 guests Mid-Size
Smaller and simpler than newer classes — a fit for travelers who prefer a quieter ship with fewer crowds.
Sister shipsEnchantment of the Seas, Grandeur of the Seas, Rhapsody of the Seas, Vision of the Seas
Photo: Matthew T Rader · CC BY-SA 4.0
~3,800–4,300 guests Large
Introduced the Royal Promenade, ice rink, and rock-climbing wall, setting the template the line still builds on.
Sister shipsAdventure of the Seas, Explorer of the Seas, Mariner of the Seas, Navigator of the Seas, Voyager of the Seas
Photo: Lucas Löffler · CC BY-SA 3.0
~2,450–2,700 guests Mid-Size
Mid-size ships known for glass-walled elevators and expansive windows, creating a lighter, more open feel.
Sister shipsBrilliance of the Seas, Jewel of the Seas, Radiance of the Seas, Serenade of the Seas
Photo: Sid Mosdell · CC BY 2.0
~4,400–4,950 guests Large
Scaled up from Voyager Class with more pool-deck attractions, dining, and entertainment venues.
Sister shipsFreedom of the Seas, Independence of the Seas, Liberty of the Seas
Photo: Andres Manuel Rodriguez · Public domain
~5,500–6,750 guests Mega
Built around distinct open-air neighborhoods such as Central Park and the Boardwalk.
Sister shipsAllure of the Seas, Harmony of the Seas, Oasis of the Seas, Symphony of the Seas, Utopia of the Seas, Wonder of the Seas
Photo: Baldwin040 · CC BY-SA 3.0
~4,900 guests Large
Tech-forward ships that introduced skydiving simulators, bumper cars, and the North Star observation capsule.
Sister shipsAnthem of the Seas, Ovation of the Seas, Quantum of the Seas
Photo: mstk east · CC BY 2.0
~5,500–5,600 guests Mega
A follow-on to Quantum Class with more dining and entertainment in a similar hull.
Sister shipsOdyssey of the Seas, Spectrum of the Seas
Photo: LN9267 · CC BY-SA 4.0
~5,600–5,650 guests Mega
The line's newest family, built around a dedicated waterpark and expansive open deck space.
Sister shipsHero of the Seas, Icon of the Seas, Legend of the Seas, Star of the Seas
Photo: Chakie2 · CC BY-SA 4.0
11 design familiesContemporary experience
~3,000 guests Mid-Size
Older ships transformed through major refits with waterparks, added cabins, and new dining venues.
Sister shipsCarnival Radiance, Carnival Sunrise, Carnival Sunshine
~2,100–2,200 guests Mid-Size
Older, smaller Contemporary ships with simpler venues, often deployed on shorter itineraries.
Sister shipsCarnival Elation, Carnival Paradise
~2,600 guests Mid-Size
Sister shipsCarnival Adventure, Carnival Encounter
~2,100 guests Mid-Size
A more refined step up with an outdoor promenade deck and expanded dining options.
Sister shipsCarnival Legend, Carnival Miracle, Carnival Pride, Carnival Spirit
~2,950–3,000 guests Mid-Size
Carnival's mid-2000s workhorse class, with larger atriums and more themed lounges.
Sister shipsCarnival Conquest, Carnival Freedom, Carnival Glory, Carnival Liberty, Carnival Valor
~3,000 guests Mid-Size
Sister shipsCarnival Splendor
~3,650–3,700 guests Large
Introduced larger multi-deck atriums and the WaterWorks aqua park that became a fleet staple.
Sister shipsCarnival Breeze, Carnival Dream, Carnival Magic
~2,250 guests Mid-Size
Sister shipsCarnival Luminosa
~3,950–4,000 guests Large
Added an expanded family waterpark zone and more entertainment venues.
Sister shipsCarnival Horizon, Carnival Panorama, Carnival Vista
~4,100–4,150 guests Large
Sister shipsCarnival Firenze, Carnival Venezia
~5,300–5,400 guests Mega
Carnival's largest LNG-powered class, with multi-level activity zones and broad dining choice.
Sister shipsCarnival Celebration, Carnival Festivale, Carnival Jubilee, Mardi Gras
5 design familiesPremium experience
~2,150 guests Mid-Size
Spacious early-2000s Premium ships that advanced the line's spa and specialty-dining concepts.
Sister shipsCelebrity Constellation, Celebrity Infinity, Celebrity Millennium, Celebrity Summit
~2,850–3,050 guests Mid-Size
Introduced the real-grass Lawn Club and a more design-forward onboard experience.
Sister shipsCelebrity Eclipse, Celebrity Equinox, Celebrity Reflection, Celebrity Silhouette, Celebrity Solstice
~2,900–3,250 guests Mid-Size
Architecturally distinct ships built around the cantilevered Magic Carpet platform.
Sister shipsCelebrity Apex, Celebrity Ascent, Celebrity Beyond, Celebrity Edge, Celebrity Xcel
~100 guests Boutique
Sister shipsCelebrity Flora
~150 guests River
Sister shipsCelebrity Boundless, Celebrity Compass, Celebrity Roamer, Celebrity Seeker, Celebrity Wanderer
6 design familiesPremium experience
~2,600–3,150 guests Mid-Size
Princess's long-running workhorse family, with several sub-variants created across two decades.
Sister shipsCaribbean Princess, Grand Princess
~2,000–2,200 guests Mid-Size
Smaller ships designed with more emphasis on destination-focused itineraries.
Sister shipsCoral Princess, Island Princess
~2,650 guests Mid-Size
Sister shipsDiamond Princess, Sapphire Princess
~3,100 guests Mid-Size
Sister shipsCrown Princess, Emerald Princess, Ruby Princess
~3,550–3,650 guests Large
Introduced the Piazza-style atrium and the glass SeaWalk extending over the ship's side.
Sister shipsDiscovery Princess, Enchanted Princess, Majestic Princess, Regal Princess, Royal Princess, Sky Princess
~4,300 guests Large
Princess's newest LNG-powered family, continuing the Piazza design at a larger scale.
Sister shipsStar Princess, Sun Princess
9 design familiesContemporary experience
~2,000 guests Mid-Size
Sister shipsNorwegian Spirit
~2,000 guests Mid-Size
Sister shipsNorwegian Sky, Norwegian Sun
~2,350 guests Mid-Size
Sister shipsNorwegian Dawn, Norwegian Star
~2,400 guests Mid-Size
Sister shipsNorwegian Gem, Norwegian Jade, Norwegian Jewel, Norwegian Pearl
~2,200–4,100 guests Large
Sister shipsNorwegian Epic, Pride of America
~3,950 guests Large
Sister shipsNorwegian Breakaway, Norwegian Getaway
~3,800–4,250 guests Large
Sister shipsNorwegian Bliss, Norwegian Encore, Norwegian Escape, Norwegian Joy
~3,200 guests Mid-Size
Sister shipsNorwegian Prima, Norwegian Viva
~3,550–3,900 guests Large
Sister shipsNorwegian Aqua, Norwegian Aura, Norwegian Luna
8 design familiesContemporary experience
~2,650–2,700 guests Mid-Size
Sister shipsMSC Armonia, MSC Lirica, MSC Opera, MSC Sinfonia
~2,550 guests Mid-Size
Sister shipsMSC Magnifica, MSC Musica, MSC Orchestra, MSC Poesia
~3,250–3,950 guests Large
Sister shipsMSC Divina, MSC Fantasia, MSC Preziosa, MSC Splendida
~4,500 guests Large
Sister shipsMSC Bellissima, MSC Meraviglia
~4,150 guests Large
Sister shipsMSC Seaside, MSC Seaview
~4,850 guests Large
Sister shipsMSC Euribia, MSC Grandiosa, MSC Virtuosa
~4,550 guests Large
Sister shipsMSC Seascape, MSC Seashore
~6,750 guests Mega
Sister shipsMSC World America, MSC World Asia, MSC World Atlantic, MSC World Europa
6 design familiesPremium experience
~100 guests River
Sister shipsAmaDouro, AmaVida
~100 guests River
Sister shipsAmaDara, AmaMaya
~200 guests River
Sister shipsAmaMagna, AmaRudi
~50 guests River
Sister shipsAmaMagdalena, AmaMelodia
~150 guests River
Sister shipsAmaBella, AmaCello, AmaCerto, AmaDante, AmaDolce, AmaFiora, AmaKristina, AmaLea, AmaLucia, AmaLyra, AmaMora, AmaPrima, AmaReina, AmaSerena, AmaSiena, AmaSintra, AmaSofia, AmaSonata, AmaStella, AmaVenita, AmaVerde, AmaViola
~100 guests River
Sister shipsAmaDahlia, AmaLilia, AmaNubia
2 design familiesExpedition experience
~200 guests Boutique
Sister shipsWorld Navigator, World Traveller, World Voyager
~400 guests Boutique
Sister shipsAtlas Adventurer
6 design familiesContemporary experience
~100 guests River
Sister shipsMS Farah
~50 guests River
Sister shipsDelfin III
~50 guests River
Sister shipsAvalon Saigon
~100 guests River
Sister shipsAvalon Alegria
~150 guests River
Sister shipsAvalon Envision, Avalon Expression, Avalon Illumination, Avalon Impression, Avalon Panorama, Avalon Passion, Avalon View, Avalon Vista
~150 guests River
Sister shipsAvalon Artistry II, Avalon Imagery II, Avalon Poetry II, Avalon Tapestry II, Avalon Tranquility II, Avalon Visionary
1 design familyPremium experience
~700 guests Small
Sister shipsAzamara Journey, Azamara Onward, Azamara Pursuit, Azamara Quest
2 design familiesContemporary experience
~1,250 guests Small
Sister shipsCelestyal Journey
~1,250 guests Small
Sister shipsCelestyal Discovery
5 design familiesContemporary experience
~2,700 guests Mid-Size
Sister shipsCosta Fortuna
~3,800 guests Large
Sister shipsCosta Fascinosa, Costa Favolosa, Costa Pacifica, Costa Serena
~2,250 guests Mid-Size
Sister shipsCosta Deliziosa
~3,700 guests Large
Sister shipsCosta Diadema
~5,200 guests Mega
Sister shipsCosta Smeralda, Costa Toscana
2 design familiesLuxury experience
~600–750 guests Small
Sister shipsCrystal Serenity, Crystal Symphony
~650 guests Small
Sister shipsCrystal Grace
3 design familiesPremium experience
~2,700 guests Mid-Size
Sister shipsQueen Mary 2
~2,000–2,100 guests Mid-Size
Sister shipsQueen Elizabeth, Queen Victoria
~3,000 guests Mid-Size
Sister shipsQueen Anne
4 design familiesPremium experience
~1,750 guests Mid-Size
Sister shipsDisney Magic, Disney Wonder
~2,500 guests Mid-Size
Sister shipsDisney Dream, Disney Fantasy
~2,500 guests Mid-Size
Sister shipsDisney Destiny, Disney Treasure, Disney Wish
~4,200 guests Large
Sister shipsDisney Adventure
3 design familiesLuxury experience
~900 guests Small
Sister shipsExplora I, Explora II
~950 guests Small
Sister shipsExplora III, Explora IV, Explora V
~950 guests Small
Sister shipsExplora VI
2 design familiesExpedition experience
~100–350 guests Boutique
Sister shipsMS Fram, MS Santa Cruz II, MS Spitsbergen
~550 guests Boutique
Sister shipsMS Fridtjof Nansen, MS Roald Amundsen
4 design familiesPremium experience
~1,450 guests Small
Sister shipsVolendam, Zaandam
~1,900–1,950 guests Mid-Size
Sister shipsNoordam, Oosterdam, Westerdam, Zuiderdam
~2,100 guests Mid-Size
Sister shipsEurodam, Nieuw Amsterdam
~2,650 guests Mid-Size
Sister shipsKoningsdam, Nieuw Statendam, Rotterdam
5 design familiesPremium experience
~700 guests Small
Sister shipsOceania Insignia, Oceania Nautica, Oceania Regatta, Oceania Sirena
~700 guests Small
Sister shipsOceania Aurelia
~1,250 guests Small
Sister shipsOceania Marina, Oceania Riviera
~1,200 guests Small
Sister shipsOceania Allura, Oceania Vista
~1,400 guests Small
Sister shipsOceania Sonata
4 design familiesLuxury experience
~500 guests Boutique
Sister shipsSeven Seas Navigator
~700 guests Small
Sister shipsSeven Seas Mariner, Seven Seas Voyager
~750 guests Small
Sister shipsSeven Seas Explorer, Seven Seas Grandeur, Seven Seas Splendor
~800 guests Small
Sister shipsSeven Seas Prestige
3 design familiesLuxury experience
~450 guests Boutique
Sister shipsSeabourn Quest
~600 guests Small
Sister shipsSeabourn Encore, Seabourn Ovation
~250 guests Boutique
Sister shipsSeabourn Pursuit, Seabourn Venture
8 design familiesLuxury experience
~250 guests Boutique
Sister shipsSilver Cloud Expedition
~250 guests Boutique
Sister shipsSilver Wind
~400 guests Boutique
Sister shipsSilver Shadow, Silver Whisper
~600 guests Small
Sister shipsSilver Spirit
~600 guests Boutique
Sister shipsSilver Dawn, Silver Moon, Silver Muse
~100 guests Boutique
Sister shipsSilver Origin
~200 guests Boutique
Sister shipsSilver Endeavour
~750 guests Small
Sister shipsSilver Nova, Silver Ray
8 design familiesLuxury experience
~50 guests River
Sister shipsAria Amazon
~50 guests River
Sister shipsS.S. Sao Rafael, S.S. São Gabriel
~50 guests River
Sister shipsGanges Voyager II
~50 guests River
Sister shipsAqua Blu
~50 guests River
Sister shipsMekong Jewel
~100 guests River
Sister shipsRiver Tosca, S.S. Sphinx
~150 guests River
Sister shipsS.S Antoinette, S.S. Audrey, S.S. Beatrice, S.S. Bon Voyage, S.S. Catherine, S.S. Elisabeth, S.S. Emilie, S.S. Joie de Vivre, S.S. La Venezia, S.S. Maria Theresa, S.S. Marlene, S.S. Victoria
River
Sister shipsRiver Duchess
1 design familyExpedition experience
~400 guests Boutique
Sister shipsViking Octantis, Viking Polaris
4 design familiesPremium experience
~950 guests Small
Sister shipsViking Jupiter, Viking Mars, Viking Neptune, Viking Orion, Viking Saturn, Viking Sea, Viking Sky, Viking Star, Viking Venus
~1,000 guests Small
Sister shipsViking Lyra, Viking Mira, Viking Vela, Viking Vesta
~1,000 guests Small
Sister shipsViking Libra
~1,000 guests Small
Sister shipsViking Astrea
7 design familiesPremium experience
~400 guests River
Sister shipsViking Mississippi
~100 guests River
Sister shipsViking Brahmaputra, Viking Ganges
~100 guests River
Sister shipsViking Saigon, Viking Tonle
~50 guests River
Sister shipsMS Antares, Viking Ra
~100 guests River
Sister shipsViking Amun, Viking Anubis, Viking Aton, Viking Geb, Viking Hathor, Viking Osiris, Viking Ptah, Viking Sekhmet, Viking Sobek, Viking Thoth
~100 guests River
Sister shipsViking Gyda, Viking Helgrim, Viking Hemming, Viking Osfrid, Viking Sol, Viking Torgil
~200 guests River
Sister shipsViking Aegir, Viking Alruna, Viking Alsvin, Viking Annar, Viking Astrild, Viking Atla, Viking Baldur, Viking Beyla, Viking Bragi, Viking Buri, Viking Dagur, Viking Delling, Viking Egdir, Viking Egil, Viking Einar, Viking Eir, Viking Eldir, Viking Embla, Viking Fjolvar, Viking Fjorgyn, Viking Forseti, Viking Freya, Viking Fulla, Viking Gefjon, Viking Gersemi, Viking Gullveig, Viking Gymir, Viking Haki, Viking Halogi, Viking Heimdal, Viking Herja, Viking Hermod, Viking Hervor, Viking Hild, Viking Hlin, Viking Hnoss, Viking Honir, Viking Idi, Viking Idun, Viking Ingvi, Viking Jarl, Viking Kadlin, Viking Kara, Viking Kari, Viking Kvasir, Viking Laga, Viking Lif, Viking Lofn, Viking Longship Aegir, Viking Longship Alruna, Viking Longship Alsvin, Viking Longship Annar, Viking Longship Astrild, Viking Longship Atla, Viking Longship Baldur, Viking Longship Beyla, Viking Longship Bragi, Viking Longship Buri, Viking Longship Dagur, Viking Longship Delling, Viking Longship Egdir, Viking Longship Egil, Viking Longship Einar, Viking Longship Eir, Viking Longship Eldir, Viking Longship Embla, Viking Longship Fjolvar, Viking Longship Fjorgyn, Viking Longship Forseti, Viking Longship Freya, Viking Longship Fulla, Viking Longship Gefjon, Viking Longship Gersemi, Viking Longship Gullveig, Viking Longship Gymir, Viking Longship Haki, Viking Longship Halogi, Viking Longship Heimdal, Viking Longship Herja, Viking Longship Hermod, Viking Longship Hervor, Viking Longship Hild, Viking Longship Hlin, Viking Longship Hnoss, Viking Longship Honir, Viking Longship Idi, Viking Longship Idun, Viking Longship Ingvi, Viking Longship Jarl, Viking Longship Kadlin, Viking Longship Kara, Viking Longship Kari, Viking Longship Kvasir, Viking Longship Laga, Viking Longship Lif, Viking Longship Lofn, Viking Longship Magni, Viking Longship Mani, Viking Longship Mimir, Viking Longship Modi, Viking Longship Nerthus, Viking Longship Radgrid, Viking Longship Ran, Viking Longship Rinda, Viking Longship Rolf, Viking Longship Rota, Viking Longship Sigrun, Viking Longship Sigyn, Viking Longship Sjofn, Viking Longship Skadi, Viking Longship Skaga, Viking Longship Skirnir, Viking Longship Tialfi, Viking Longship Tir, Viking Longship Tor, Viking Longship Ullur, Viking Longship Vali, Viking Longship Var, Viking Longship Ve, Viking Longship Vidar, Viking Longship Vilhjalm, Viking Longship Vili, Viking Magni, Viking Mani, Viking Mimir, Viking Modi, Viking Nerthus, Viking Radgrid, Viking Ran, Viking Rinda, Viking Rolf, Viking Rota, Viking Sigrun, Viking Sigyn, Viking Sjofn, Viking Skadi, Viking Skaga, Viking Skirnir, Viking Tialfi, Viking Tir, Viking Tor, Viking Ullur, Viking Vali, Viking Var, Viking Ve, Viking Vidar, Viking Vilhjalm, Viking Vili
1 design familyPremium experience
~2,750 guests Mid-Size
Sister shipsBrilliant Lady, Resilient Lady, Scarlet Lady, Valiant Lady
5 design familiesLuxury experience
~150 guests Boutique
Sister shipsWind Spirit, Wind Star
~300 guests Boutique
Sister shipsStar Breeze, Star Legend, Star Pride
~350 guests Boutique
Sister shipsWind Surf
~200 guests Boutique
Sister shipsStar Explorer
~200 guests Boutique
Sister shipsStar Seeker
Keep in mind: Sister ships share a core design, but later ships and major refits can introduce different restaurants, cabins, and attractions.