Oceania Sirena

Oceania Sirena is operated by Oceania Cruises and belongs to its Regatta class.

Oceania Sirena is one of 3 Regatta class ships. Oceania Nautica (2000) and Oceania Insignia (1998) are in service.

Oceania Sirena measures 30,277 gross tons and 181 metres in length, with 9 decks.

Oceania Sirena is smaller than 62% of the 418 cruise ships in service on Cruises Frog with a tonnage on record, and carries more guests than 59%. At 45.2 gross tons per guest she is roomier than 77% of 416; the median ship is 39.4.

Oceania Sirena has a passenger space ratio of 45.2: 30,277 gross tons for 670 guests. Ratios over 50 feel spacious and under 30 busy, so Oceania Sirena feels comfortable for her size.

Oceania Sirena carries 670 guests at double occupancy, with a crew of 373 (about 1.8 guests per crew member).

Oceania Sirena entered service in 1999 and was last refurbished in 2016.

Oceania Sirena sails Mediterranean and Asia itineraries.

Oceania Cruises publishes the deck plans for Oceania Sirena; this page links to Official Oceania Sirena deck plans.

Cruises Frog rates Oceania Sirena 3.8 out of 5 overall, the average of 6 editorial scores. She scores best on dining (5/5) and lowest on value (3/5).

For the “Publisher-linked deck plans, October 2026” plan, start with these quieter-location candidates: Midship cabin sections on Decks 7, away from lifts and service areas: Start with accommodation that has cabins above and below, then compare the precise location on all three plans. Avoid treating this as a guarantee of silence. Compare the exact cabin with the decks above and below, nearby lifts and connecting doors. These are layout-based suggestions, not a guarantee of quiet.

For the “Publisher-linked deck plans, October 2026” plan, review these flagged locations before booking: Deck 8 cabin sections beneath public areas on Deck 9: Pool use, moving furniture and food-service preparation can create overhead activity. Compare the precise room with the plan above, especially if early mornings or sleep are priorities. Deck 6 cabin sections over the venue footprint on Deck 5: If sensitive to evening music, compare the cabin’s position with venues below. Insulation and operating schedules vary; no individual room is labelled noisy solely from a deck plan. These flags are not measured noise reports or a warning about every room on a deck. Read the sourced cabin advice for the evidence and any explicit operator warnings.

Find the cabin on the selected plan, then compare the same fore-and-aft position on the deck above and below. Check the full venue footprint, including outdoor seating, stages, service areas and entrances. Nearby activity can be a reason to investigate, but does not by itself prove a cabin is noisy. Use the cabin advice and its sources to distinguish layout cautions from operator warnings.

Use this guide’s deck selector to compare the decks around your cabin and open available diagrams in the zoom viewer. The full ship PDF and source links are listed for each plan edition.

Select your sailing date before comparing cabin locations. Editions can change after a refit. These answers use “Publisher-linked deck plans, October 2026”, reviewed 2026-10-21. The publisher links individual deck files with different revision dates and no single sailing-date window. Confirm the edition for your voyage. Cabin advice is based on layout, not noise measurements.