Yes, you'll find most hotel reservations are fully refundable if cancelled before the hotel's cancellation deadline, which often is within 24-48 hours of your arrival date. If you have a reservation that's non-refundable, you might still have the option to cancel and get a refund within 24 hours of your booking. Add your dates and click on "Search", then you can use the "fully refundable" filter to get the best deals near Big Island.