Regatta-class cruise ship
The Regatta class is a class of cruise ships that are owned by Oceania Cruises.
The Regatta-class ships were built in 1998–2000 for Renaissance Cruises as a part of their. They have a gross tonnage of 30,277 and can accommodate a maximum of 824 passengers in 343 cabins.
When Oceania Cruises was founded in 2002, they took three of the R-class ships: R One which they rechristened, R Two which they rechristened, and R Five which they rechristened. Oceania referred to these collectively as the Regatta class.
Beginning in April 2012, Insignia began what was initially announced as a two-year lease to Hapag-Lloyd, who is currently operating the ship as. It returned to the fleet In 2014. In 2016, The former R Two was christened and entered service for Oceania as Sirena.
| Ship | Built | Entered service for Oceania | Flag | Notes |
| 1998 | 2003 |  Marshall IslandsMS|Insignia||2 |