F.T. Island (Korean: 에프티 아일랜드, or FT아일랜드, short for Five Treasure Island), is a South Korean rock band formed by FNC Entertainment in 2007. The band currently consists of main vocalist Lee Hong-gi, bassist Lee Jae-jin, and drummer Choi Min-hwan. Guitarist Oh Won-bin left the band in 2009 and was replaced by Song Seung-hyun. Former leader Choi Jong-hoon left the band and retired from the entertainment industry on March 14, 2019, while Seung-hyun left the group on December 31, 2019, to pursue his acting career.