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)
Celestyal Olympia
Seven Seas Mariner
Gross Tonnage
Celestyal Olympia
37,773 GT
Seven Seas Mariner
48,075 GT
Length
Celestyal Olympia
214 m
Seven Seas Mariner
216 m
Beam
Celestyal Olympia
28 m
Seven Seas Mariner
29 m
Passengers
Celestyal Olympia
1,664
Seven Seas Mariner
700
Crew
Celestyal Olympia
540
Seven Seas Mariner
445
Decks
Celestyal Olympia
—
Seven Seas Mariner
—
Year Built
Celestyal Olympia
1,982
Seven Seas Mariner
2,001
Space Ratio
Celestyal Olympia
22.7 GT/pax
Seven Seas Mariner
68.7 GT/pax
Passenger:Crew Ratio
Celestyal Olympia
3.08 :1
Seven Seas Mariner
1.57 :1
| Specification | Celestyal Olympia | Seven Seas Mariner |
|---|---|---|
| Overview | ||
| Cruise Line | Celestyal Cruises | Regent Seven Seas Cruises |
| Class | Classic | Mariner Class |
| Status | active | active |
| Year Built | 1,982 | 2,001Winner |
| Dimensions | ||
| Gross Tonnage | 37,773 GT | 48,075 GTWinner |
| Length | 214 m | 216 mWinner |
| Beam | 28 m | 29 mWinner |
| Capacity | ||
| Passengers | 1,664Winner | 700 |
| Crew | 540Winner | 445 |
| Key Ratios | ||
| Space Ratio | 22.7 GT/pax | 68.7 GT/paxWinner |
| Passenger:Crew Ratio | 3.08:1 | 1.57:1Winner |
| Build | ||
| Builder | Kvaerner Masa-Yards | Chantiers de l'Atlantique |
| Flag | Malta | Bahamas |
| IMO Number | 9098890 | 9210139 |
Celestyal Olympia
Good value for money
Well-suited for cruise newcomers
Good range of onboard options
Comfortable atmosphere for two
Seven Seas Mariner
69 GT/pax means plenty of quiet space
1.6:1 passenger-crew ratio means exceptional service
Well-suited for cruise newcomers
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 | — | 7 m |
| Decks | — | — |
.jpg%26w%3D400&w=3840&q=75)
