Yes, most hotel reservations are fully refundable as long as you cancel prior to the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of your arrival date. If you booked a non-refundable reservation, you might be able to cancel it and get a refund within a 24-hour period of your booking. Plug in your dates, click on "Search", then use the filter option "fully refundable" to review the best deals near Manihi Port.