However Kosher food is hard to get,
But getting working knowledge of the Spanish language, or finding people who can converse in English is even harder to get.
The Metro in Madrid is very good, if you care to get around with the Metro. I have been on the Madrid Metro.
Bear in mind that all shuls are absolutely Sephardi:- After all Spain which in Hebrew is “S’farad” as per Haftoro of vaYishlach, is the absolute bastion of Sephardim.