Hello quincyrae,
maybe this page will help you. https://www.caminodosfaros.com .Telephone numbers of taxi companies with approximate prices can be found here. This is how you could transport your luggage. Many beautiful moments and great encounters.
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