Yes, most hotel room reservations are fully refundable provided that you cancel before the hotel's cancellation deadline, which often is within 24-48 hours of your check-in date. If you have a non-refundable reservation, it might still be possible to cancel it and be given a refund within 24 hours of your booking. Plug in your dates, click on "Search", then filter by "fully refundable" to review the best options available near Swan Island.