Yes, most hotel room reservations are refundable if you cancel before the hotel's cancellation deadline, which often is within 24-48 hours of your arrival date. If you have a non-refundable reservation, it might still be possible to cancel it and receive a refund within 24 hours of booking. Plug in your dates, click on "Search", then you can filter by "fully refundable" to review the best deals available near Mirantes I, II e III.