 Kutxi Romero announced in 2006 that Marea were working on their fifth album, "Las aceras están llenas de piojos", which was released in 2007.Also in 2007, Marea released the boxset "Coces al aire 1997-2007".It includes a CD featuring 18 of their best songs ("Coces al aire"), one with previously unreleased songs and alternate versions ("Jaurías de perros verdes"), 2 DVDs - one with all their videos and some live recording and one including a whole live concert, a picture book and a biography of the band written by the journalist J. Óscar Beorlegui.