Yes, most hotel room reservations are fully refundable provided that you cancel prior to the accommodation's cancellation deadline, which often is within 24-48 hours of your arrival date. If you have a non-refundable reservation, it may still be possible to cancel it and be given a refund within 24 hours of your booking. Plug in your dates, click on "Search", then you can use the "fully refundable" filter to review the best options available near Mundo Marino.