High Quality Content by WIKIPEDIA articles! Under the Iron Sea is the second studio album by English rock band Keane, released in 2006. During its first week on sale in the UK, the album went to #1, selling 222,297 copies according to figures from the Official Chart Company. In the United States, the album came in at #4 on the Billboard 200, selling 75,000 units in its first week. As of 22 January, the album had sold above 3,000,000 copies worldwide.