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The ships, and how they differ

Two ships sailing the same itinerary can produce completely different weeks. Space ratio is the number that predicts it best — gross tons per guest, which tells you whether a sea day feels calm or crowded.

Allure of the Seas

Royal Caribbean · entered service 2010 · Very large

225,282 gross tons6,780 guestsspace ratio 41.12.5 guests per crew

from$359

2 sailings · confirmed at quote

Carnival Celebration

Carnival Cruise Line · entered service 2022 · Large

183,521 gross tons5,374 guestsspace ratio 34.73.0 guests per crew

from$436

3 sailings · confirmed at quote

Carnival Firenze

Carnival Cruise Line · entered service 2020 · Large

135,156 gross tons5,078 guestsspace ratio 31.93.3 guests per crew

from$213

8 sailings

Carnival Panorama

Carnival Cruise Line · entered service 2019 · Large

133,500 gross tons4,008 guestsspace ratio 33.82.7 guests per crew

from$359

3 sailings

Carnival Radiance

Carnival Cruise Line · entered service 2000 · Mid-size

101,509 gross tons3,470 guestsspace ratio 36.72.5 guests per crew

from$249

5 sailings

Celebrity Beyond

Celebrity Cruises · entered service 2022 · Large

141,420 gross tons3,260 guestsspace ratio 43.42.3 guests per crew

from$924

2 sailings · confirmed at quote

Celebrity Edge

Celebrity Cruises · entered service 2018 · Large

129,500 gross tons2,908 guestsspace ratio 44.42.2 guests per crew

from$1,285

1 sailing · confirmed at quote

MSC Divina

MSC Cruises · entered service 2012 · Large

139,400 gross tons3,959 guestsspace ratio 33.73.1 guests per crew

No sailings listed

Space ratio is gross tonnage divided by guest capacity. Above 40 is spacious; below 34 means busier public areas on sea days. Specifications are supplied by the cruise lines.

Torn between two of them?

Put them side by side, or ask an advisor who has sailed both.