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Ship comparison

Seabourn Odyssey vs Sirena

Side-by-side cruise ship comparison. Seabourn Odyssey wins 5 of 7 scored categories.

At a glance

Quick Compare

Category
Seabourn Odyssey
Sirena
Size
32,346 GT
30,277 GT
Passengers
458
684
Year built
2009
1999
Crew ratio
1.4 guests per crew
1.7 guests per crew
Space ratio
70.6 GT per guest
44.3 GT per guest
Decks
No data
No data
Length
198 m
181 m

The verdict

Comparison Verdict

Seabourn Odyssey is the larger vessel at 32,346 GT, 7% more than Sirena's 30,277 GT. Seabourn Odyssey offers more personal space with a space ratio of 70.6 GT per passenger versus 44.3. Built in 2009, Seabourn Odyssey is 10 years newer, an advantage for travelers seeking modern amenities and design.

CategoryWinner
SizeSeabourn Odyssey
CapacitySirena
ModernitySeabourn Odyssey
ServiceSeabourn Odyssey
SpaciousnessSeabourn Odyssey
DecksNo data
LengthSeabourn Odyssey
Fleet PowerSirena

Bottom line: Seabourn Odyssey leads 5–2 across our categories, strongest in Size. Choose Seabourn Odyssey for overall superiority; pick Sirena if its strengths matter more to you.

Decide

Which Ship Is Right for You?

Choose Seabourn Odyssey if

  • You want the newer ship (built 2009, 10 years newer)
  • Size matters to you (32,346 GT)
  • More crew per guest (1.4 guests per crew)
  • More space per guest (70.6 GT per guest)
Book Seabourn Odyssey

Choose Sirena if

  • More onboard variety (684 guests)
Book Sirena

Prices

See Current Prices

You have compared the ships. Now see what they cost.

Seabourn Odyssey

Check prices on Cruisebound

Book Seabourn Odyssey

Sirena

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Book Sirena
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Go deeper

Deep Dive

FAQ

Frequently Asked Questions

How is the comparison score calculated?

We score 8 categories from spec data: size, capacity, modernity, service, spaciousness, decks, length and fleet power. Each category awards one point to the winning ship. A category where either ship has no data is marked No data and left out of the score.

What is the space ratio and why does it matter?

Space ratio is gross tonnage divided by passenger capacity. A higher number means more space per guest. Luxury lines typically score above 40, and mass-market ships often fall between 30 and 40.

What does the passenger-to-crew ratio mean?

It is the number of guests for each crew member, shown as "3.0 guests per crew". Lower is better: more staff per guest usually means more attentive service. Luxury lines aim for fewer than 2 guests per crew, and large mainstream ships often carry 3 to 4.

Are the prices shown accurate?

Prices come from Cruisebound and are per person for the sailing shown. They change with cabin type, date and demand, so open the sailing to see the current fare.

Can I compare more than two ships?

Yes, up to four ships. Use the search tool on the compare hub page to add additional ships.

How current is the ship data?

Specifications come from our database of 380+ ships, and this page refreshes daily. An "Updated" date appears at the top when either ship's record changed in the last 30 days.