Yes! Most hotel room reservations are fully refundable as long as you cancel before the accommodation's cancellation deadline, which is usually within 24-48 hours of your check-in date. If your reservation is non-refundable, it may still be possible to cancel it and get a refund within a 24-hour period of booking. Add dates, click "Search", then you can use the "fully refundable" filter to review the best deals near Islas Marías Biosphere Reserve.