Massive Attack Discography: Extensive discography of released material, remixes, and videos.
Massive Attack Live: All about live exhibitions and tours.
Massive Attack Lyrics Database: Lyrics from their three albums plus non-album tracks.
Massive Attack Refuge: Lyrics, a complete discography, and MP3 files.
Red Lines: Your complete online Resource for the Massive.
RollingStone.com: Massive Attack: Includes a biography, discography, photos, articles, links and message board.
The Mezzanine: Fan site by Dext3 including images, multimedia, lyrics, links, discography, reviews, biography, and chat.
Three Point Nine Percent: Official Site. Rather good actually.