Sirena Irwin is an American voice director, casting director, and actress. Sirena is operated by Oceania Cruises. Sirena entered service in 1999. Sirena is a R-class cruise ship operated by Oceania Cruises. This SeaDays guide lists verified catalog facts so you can compare Sirena with other Oceania Cruises ships before booking.
Sirena Cruise Ship Guide
Oceania Cruises · R-class cruise ship
Ship planning snapshot
Sirena at a glanceOceania CruisesRSeaDays guide
Overview
Key facts
- Cruise line
- Oceania Cruises
- Ship class
- R
- Entered service
- 1999
- Gross tonnage
- 30,277 GT
- Passenger capacity
- 684 (lower berth / double occupancy)
- Crew
- 400
- Length
- 181 m
- Beam
- 25 m
What makes this ship notable
Sirena Irwin is an American voice director, casting director, and actress. Sirena is operated by Oceania Cruises. Sirena is a Oceania Cruises ship profile in the SeaDays cruise directory.
Highlights
- Sirena is a R-class cruise ship in the Oceania Cruises fleet.
- Entered service in 1999.
- Lower-berth capacity about 684 (lower berth / double occupancy).
Practical planning
Use Sirena’s catalog specs—capacity, year, and class—to judge whether the ship matches your itinerary length and travel party. Cabin location, dining reservations, and show times are published by Oceania Cruises for each sailing; confirm those on your booking rather than assuming sister ships are identical. SeaDays helps you keep port days, sea days, and notes for Sirena in one place so planning stays with the voyage instead of scattered screenshots.
Frequently asked questions
What cruise line operates Sirena?
Sirena is operated by Oceania Cruises.
When did Sirena enter service?
Sirena entered service in 1999.
What class is Sirena?
Sirena is a R-class cruise ship.
How many passengers does Sirena carry?
Catalog capacity is 684 (lower berth / double occupancy). Figures can vary by cabin configuration.
How large is Sirena?
Verified catalog specs list Sirena at 30,277 GT, 181 m long, 25 m beam.
Does SeaDays publish passenger reviews for Sirena?
This page is a catalog guide, not a review. Community reviews live in the SeaDays app when guests have submitted them.
Related ships
- Nautica cruise ship guide
- Insignia cruise ship guide
- Oceania Allura cruise ship guide
- Vista cruise ship guide
- Riviera cruise ship guide
Related ports
- Aalborg, Denmark
- Aarhus, Denmark
- Aberdeen, United Kingdom
- Abu Dhabi, United Arab Emirates
- Acapulco, Mexico
What is a sea day? · First-time cruise tips · Ports directory
More reading
Cruise guideDo Cruise Ships Ever Get Lost?Cruise ships cross oceans and thread channels, but getting lost at sea is not like missing a highway exit. Modern
Cruise guideTop 10 Cruise Ships for 2026: Features, Reviews, and ExperiencesChoosing a cruise ship in 2026 is less about “biggest” and more about fit: dining style, cabin comfort, entertainment, and
Cruise guideHow to Avoid Getting Sick on a Cruise ShipHow to Avoid Getting Sick on a Cruise Ship: practical cruise advice covering Quebec City, the Norwegian fjords, and real
Cruise guideCruise Ship Entertainment: Shows, Activities, and NightlifeCruise ships are floating entertainment complexes. From Broadway-style shows to silent discos, there's something for everyone. Here's what to expect—and
Cruise guidecvs Celebrity Edge: Modern Cruise Ship ComparisonNorwegian Prima vs Celebrity Edge: Modern Cruise Ship Comparison: detailed comparison of Norwegian and Celebrity covering amenities, dining, cabins, and
Cruise guideWhy Cruise Ships Use Horns When Leaving PortCruise ships often blow their horns when leaving port. Here’s how horn signals fit navigation rules—and why sail-away still feels