Side-by-side cruise ship comparison · Updated February 2026
across 5 categories
Size
Based on gross tonnage and length
Capacity
Based on passengers and crew
Modernity
Based on year built
Service
Based on passenger-to-crew ratio (lower is better)
Spaciousness
Based on gross tonnage per passenger (higher is better)
Greg Mortimer
World Odyssey
Gross Tonnage
Greg Mortimer
8,000 GT
World Odyssey
9,300 GT
Length
Greg Mortimer
104 m
World Odyssey
126 m
Beam
Greg Mortimer
18 m
World Odyssey
19 m
Passengers
Greg Mortimer
132
World Odyssey
200
Crew
Greg Mortimer
85
World Odyssey
120
Decks
Greg Mortimer
—
World Odyssey
—
Year Built
Greg Mortimer
2,019
World Odyssey
2,023
Space Ratio
Greg Mortimer
60.6 GT/pax
World Odyssey
46.5 GT/pax
Passenger:Crew Ratio
Greg Mortimer
1.55 :1
World Odyssey
1.67 :1
| Specification | Greg Mortimer | World Odyssey |
|---|---|---|
| Overview | ||
| Cruise Line | Aurora Expeditions | nicko cruises |
| Class | Expedition | Expedition |
| Status | active | active |
| Year Built | 2,019 | 2,023Winner |
| Dimensions | ||
| Gross Tonnage | 8,000 GT | 9,300 GTWinner |
| Length | 104 m | 126 mWinner |
| Beam | 18 m | 19 mWinner |
| Capacity | ||
| Passengers | 132 | 200Winner |
| Crew | 85 | 120Winner |
| Key Ratios | ||
| Space Ratio | 60.6 GT/paxWinner | 46.5 GT/pax |
| Passenger:Crew Ratio | 1.55:1Winner | 1.67:1 |
| Build | ||
| Builder | SunStone Ships | WestSea |
| Flag | Bahamas | Portugal |
| IMO Number | 9820490 | 9887080 |
Greg Mortimer
61 GT/pax means plenty of quiet space
1.6:1 passenger-crew ratio means exceptional service
Built in 2019 with modern facilities — great for a first cruise
Good range of onboard options
World Odyssey
47 GT/pax means plenty of quiet space
1.7:1 passenger-crew ratio means exceptional service
Built in 2023 with modern facilities — great for a first cruise
Good range of onboard options
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
We may earn a commission from partner bookings at no extra cost to you.
| Draft | — | 8.5 m |
| Decks | — | — |
