I've found this on the internet, not really on the camino, but the only one I've found :
http://www.infohostal.com/guia/guipuzcoa/pasaia/alojamiento/7194/hostal-bahia.html
This site is run by Ivar at in Santiago de Compostela.
This site participates in the Amazon Affiliate program, designed to provide a means for Ivar to earn fees by linking to Amazon