Yes, you'll find most hotel bookings are fully refundable as long as you cancel prior to the accommodation's cancellation deadline, which often is within 24-48 hours of your check-in date. If you have a reservation that's non-refundable, you might be able to cancel it and get a refund within a 24-hour period of your booking. Add your dates and click on "Search", then you can filter by "fully refundable" to get the best deals available near Broad Sound Islands National Park.