The Oceania Sirena is a luxury cruise ship operated by Oceania Cruises. It was built in 1999 under the name "R Four" by the Chantiers de l'Atlantique shipyard in France for the now-defunct Renaissance Cruises. After Renaissance Cruises went bankrupt in 2001, the ship was acquired by Cruiseinvest and chartered to Cruise Azur. In 2003, the ship was transferred to Pullmantur Cruises, which renamed it "Blue Dream".

In 2016, the ship was acquired by Oceania Cruises and underwent a major refurbishment to upgrade its facilities and amenities. The ship was then renamed "Oceania Sirena" and joined Oceania's fleet of luxury cruise ships.

The Oceania Sirena has a capacity of 684 passengers and a crew of 400, and offers a variety of onboard amenities, including four gourmet restaurants, six lounges and bars, a casino, a fitness center, a spa, and a swimming pool. The ship also features a wide range of staterooms and suites, including spacious owner's suites and penthouse suites with private verandas.

The Oceania Sirena sails to destinations around the world, including Europe, Asia, the Caribbean, and South America, and offers a variety of shore excursions and activities for passengers to explore each destination. With its luxurious amenities and personalized service, the Oceania Sirena is a popular choice for travelers seeking a high-end cruise experience.

 Ocenia Sirena comes to Kusadasi Port as well which creates the perfect opportunity to visit Ephesus. As Travelshow Travel Agency, we offer 10 percent discount to Ocenia Sirena Cruise guests that want to visit Ephesus. You can book your Ephesus tours from these links :