Yes, you'll find most hotel bookings are fully refundable as long as you cancel before the hotel's cancellation deadline, which is often 24 or 48 hours before your scheduled arrival. If you booked a non-refundable reservation, it may still be possible to cancel it and get a refund within a 24-hour period of your booking. Add your dates and click on "Search", then filter by "fully refundable" to get the best options available near Aldabra Atoll.