Yes, most hotel room 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 arrival date. If you have a reservation that's non-refundable, you might be able to still cancel and get a refund within a 24-hour period of booking. Plug in your dates, click on "Search", then use the filter option "fully refundable" to get the best deals near One Island.