Madrid's dog boarding kennels fill up ahead of August, Christmas, Easter and long weekends such as the December bank holidays or San Isidro. If you travel then, start looking several weeks ahead, whichever option you choose.
Many Madrid owners would rather their dog stayed in a home, keeping its routine, than in kennels. Guauly gives you two paths: a community neighbour who looks after your dog for free, or a pro sitter with a nightly rate you see before booking, with no booking fee for you.
Whoever it is, do an introductory walk first and, if you can, a trial night before a long trip. Write down feeding times, medication and your vet's number.