Yes, most hotel room reservations are fully refundable if you cancel before the accommodation's cancellation deadline, which is usually within 24-48 hours of the scheduled arrival. If your reservation is non-refundable, you might be able to still cancel and receive a refund within a 24-hour period of your booking. Plug in your dates, click on "Search", then use the "fully refundable" filter to review the top deals on offer near Great Australian Bight Marine National Park.