Los detectives salvajes won two major awards in Latin America. One was the Premio Rómulo Gallegos which put Roberto Bolaño's name alongside those of the Boom writers Mario Vargas Llosa, Gabriel García Márquez, and Carlos Fuentes. The other was the Premio Herralde de Novela, awarded yearly by the Editorial Anagrama to an unpublished novel in Spanish language by a writer of any nationality. The prize, given every November, comes with a purse of 18,000 euros.
Selected winners of Premio Herralde:
1985 Adelaida García Morales (El silencio de las sirenas / Silence of the Sirens)
1986 Javier Marías (El hombre sentimental / The Man of Feeling)
1992 Paloma Díaz-Mas (El sueño de Venecia)
1997 Jaime Bayly (La noche es virgen)
1998 Roberto Bolaño (Los detectives salvajes / The Savage Detectives)
2002 Enrique Vila-Matas (El mal de Montano / Montano's Malady, also published as Montano)
2003 Alan Pauls (El pasado / The Past)
2004 Juan Villoro (El testigo)
2006 Alberto Barrera Tyszka (La enfermedad / The Sickness)
2008 Daniel Sada (Casi nunca / Almost Never)
2010 Antonio Ungar (Tres ataúdes blancos)
The complete list of winners of the Herralde Prize is found here, that of Rómulo Gallegos is here.