I'm going to be staying in Madrid for a day and night on either side of a trip to Central America. I'll be with my 7 year old son. The ideal thing would be an hotel with a pool and drifting around nearby streets, stopping at the odd bar on the way but it seems there aren't many hotels with pools and i don't have a budget for 5* luxury - nor do i like it much. Anyone got any ideas as to what we could do and both enjoy? We'll be very tired from a very long flight...I speak Spanish and don't know Madrid at all. thanks