Yes, most hotel room reservations are refundable provided that you cancel prior to the hotel's cancellation deadline, which often is within 24-48 hours of your scheduled arrival. If your reservation is non-refundable, you might be able to still cancel and be given a refund within a 24-hour period of booking. Plug in your dates, click on "Search", then you can filter by "fully refundable" to view the best deals near Puerto Williams Dock.