"Floodland" was released in the United Kingdom on 16 November 1987, later receiving a release in the United States on 11 January 1988 through Elektra Records. The album had simultaneous releases on vinyl, cassette, and CD. The cassette release included the B-side to "This Corrosion", "Torch", while the CD release included both "Torch" and "Colours", another B-side from the single releases for "This Corrosion", as bonus tracks. Morrison's name was not included in the credits for "Floodland", although she was pictured on the sleeve and appeared under her real name of Anne Rainone in the "Thanks" section of the inner sleeve. She downplayed the lack of inclusion in interviews, saying: "if you look at Sisters' records, the names for what people play usually aren't there. Andrew writes the songs so there's no reason for anyone else to be featured. I was well aware of that when the album came out but what I didn't realise was that it would confuse other people. If people haven't seen the press we've done, they don't know I'm in the band." Eldritch still considered Morirson to be a vital part of the Sisters of Mercy, as she contributed greatly to the band's visual identity by appearing in music videos released for "Floodland" and on the album cover. Eldritch chose not to embark on a tour to promote the album, feeling that it was not made to be played live. He later recalled not having a band ready to accompany him on a tour, which was the real reason why he chose not to tour and instead opted to promote "Floodland" through singles, music videos, and television appearances only.