Yes, you'll find most hotel reservations are fully refundable as long as you cancel prior to the accommodation's cancellation deadline, which is often 24 or 48 hours before the scheduled arrival. If you booked a non-refundable reservation, you might be able to still cancel and get a refund within a 24-hour period of booking. Add your dates and click on "Search", then filter by "fully refundable" to get the best deals available near Fatnas Island.