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)
National Geographic Sea Bird
Safari Endeavour
Gross Tonnage
National Geographic Sea Bird
100 GT
Safari Endeavour
99 GT
Length
National Geographic Sea Bird
46 m
Safari Endeavour
70 m
Beam
National Geographic Sea Bird
10 m
Safari Endeavour
13 m
Passengers
National Geographic Sea Bird
62
Safari Endeavour
86
Crew
National Geographic Sea Bird
25
Safari Endeavour
33
Decks
National Geographic Sea Bird
—
Safari Endeavour
—
Year Built
National Geographic Sea Bird
1,982
Safari Endeavour
1,983
Space Ratio
National Geographic Sea Bird
1.6 GT/pax
Safari Endeavour
1.1 GT/pax
Passenger:Crew Ratio
National Geographic Sea Bird
2.48 :1
Safari Endeavour
2.61 :1
| Specification | National Geographic Sea Bird | Safari Endeavour |
|---|---|---|
| Overview | ||
| Cruise Line | Lindblad Expeditions | UnCruise Adventures |
| Class | Expedition | Expedition |
| Status | active | active |
| Year Built | 1,982 | 1,983Winner |
| Dimensions | ||
| Gross Tonnage | 100 GTWinner | 99 GT |
| Length | 46 m | 70 mWinner |
| Beam | 10 m | 13 mWinner |
| Capacity | ||
| Passengers | 62 | 86Winner |
| Crew | 25 | 33Winner |
| Key Ratios | ||
| Space Ratio | 1.6 GT/paxWinner | 1.1 GT/pax |
| Passenger:Crew Ratio | 2.48:1Winner | 2.61:1 |
| Build | ||
| Builder | Whidbey Island | Jeffboat |
| Flag | United States | United States |
| IMO Number | 8314706 | 8884170 |
National Geographic Sea Bird
Good value for money
Comfortable atmosphere for two
Premium onboard experience
Well-suited for cruise newcomers
Safari Endeavour
Good value for money
Comfortable atmosphere for two
Premium onboard experience
Well-suited for cruise newcomers
Free cancellation on most rooms
Bundle & save on your cruise trip
Medical, trip cancellation & luggage cover
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| Draft | — | — |
| Decks | — | — |
