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)
Douglas Mawson
Greg Mortimer
Gross Tonnage
Douglas Mawson
8,500 GT
Greg Mortimer
8,000 GT
Length
Douglas Mawson
105 m
Greg Mortimer
104 m
Beam
Douglas Mawson
18 m
Greg Mortimer
18 m
Passengers
Douglas Mawson
154
Greg Mortimer
132
Crew
Douglas Mawson
95
Greg Mortimer
85
Decks
Douglas Mawson
—
Greg Mortimer
—
Year Built
Douglas Mawson
2,025
Greg Mortimer
2,019
Space Ratio
Douglas Mawson
55.2 GT/pax
Greg Mortimer
60.6 GT/pax
Passenger:Crew Ratio
Douglas Mawson
1.62 :1
Greg Mortimer
1.55 :1
| Specification | Douglas Mawson | Greg Mortimer |
|---|---|---|
| Overview | ||
| Cruise Line | Aurora Expeditions | Aurora Expeditions |
| Class | Expedition | Expedition |
| Status | active | active |
| Year Built | 2,025Winner | 2,019 |
| Dimensions | ||
| Gross Tonnage | 8,500 GTWinner | 8,000 GT |
| Length | 105 mWinner | 104 m |
| Beam | 18 m | 18 m |
| Draft | ||
| Capacity | ||
| Passengers | 154Winner | 132 |
| Crew | 95Winner | 85 |
| Key Ratios | ||
| Space Ratio | 55.2 GT/pax | 60.6 GT/paxWinner |
| Passenger:Crew Ratio | 1.62:1 | 1.55:1Winner |
| Build | ||
| Builder | China Merchants Heavy Industry | SunStone Ships |
| Flag | Bahamas | Bahamas |
| IMO Number | 9852577 | 9820490 |
Douglas Mawson is the larger vessel at 8,500 GT — 6% more than Greg Mortimer's 8,000 GT. Greg Mortimer offers more personal space with a space ratio of 60.6 GT per passenger versus 55.2. Built in 2025, Douglas Mawson is 6 years newer — an advantage for travellers seeking modern amenities and design.
| Category | Winner |
|---|---|
| Size | Douglas Mawson |
| Capacity | Douglas Mawson |
| Modernity | Douglas Mawson |
| Service | Greg Mortimer |
| Spaciousness | Greg Mortimer |
Bottom line: Douglas Mawson wins more categories (3 vs 2), making it the stronger all-round choice based on current data.
Douglas Mawson
55 GT/pax means plenty of quiet space
1.6:1 passenger-crew ratio means exceptional service
Built in 2025 with modern facilities — great for a first cruise
Good range of onboard options
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
Free cancellation on most rooms
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| Decks | — | — |
