Career
After ending his player career, he become a coach, first at the youths level of Stade Toulousain (1989–1995). He latter coached the French teams of Football Club Lourdes (2000–2002), Tarbes Pyrénées Rugby (2002–2003) and Blagnac SCR (2003–2004). Santamans was signed for Romania in 2004, where he remained until 2007.
After that, he returned to France, to become the coach of Blagnac SCR. He did unexpectedly from a cardiovascular accident, at the funeral of his mother, aged only 48.