Oceania Sirena

The Oceania Sirena is an 11-deck vessel operated by Oceania Cruises with a passenger capacity of 688 and a crew of 373. Built by Chantiers de l'Atlantique in St. Nazaire, France, the ship entered service in 1999 and has been registered in Monrovia and Bermuda throughout its operational history.

The intimate size and crew-to-passenger ratio reflect Oceania's focus on providing personalized service aboard smaller, more maneuverable vessels suited for both mainstream and destination-focused itineraries.