Yes, the majority of hotel room reservations are fully refundable provided that you cancel prior to the hotel's cancellation deadline, which often is within 24-48 hours of check in. If you have a non-refundable reservation, you might be able to still cancel and be given a refund within 24 hours of booking. Enter dates in and click on "Search", then filter by "fully refundable" to view the best options available near Horacio Klabin Square.