Yes, most hotel room reservations are fully refundable as long as you cancel prior to the hotel's cancellation deadline, which is often 24 or 48 hours before your arrival date. 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 booking. Plug in your dates, click on "Search", then you can filter by "fully refundable" to view top deals close to Puerto Portinatx.