Yes, 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 your scheduled arrival. If you have a non-refundable reservation, it might still be possible to cancel it and get a refund within a 24-hour period of your booking. Plug in your dates, click on "Search", then you can use the "fully refundable" filter to get top deals close to Ki'ek'e Beach.