Royal Caribbean just announced that they will in fact build a third Oasis Class ship. Entry into service is planed for mid 2016. The contract also includes the option for a second (fourth overall) ship to be delivered 2018.
In a shocking turn of events STX France will be the builder. I had wondered a few days ago if the deal the Finnish government got was enough to convince Royal Caribbean to go with Finland. It looks like my concern was accurate in that the Finnish deal wasn’t enough.
UPDATE: Here’s more detail from PRnewswire
The newbuild contract includes the transfer of Pullmantur’s Atlantic Star as part of the consideration. Additionally, the contract is subject to satisfaction of financing and other conditions.