Yes, the majority of 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 the scheduled arrival. If your reservation is non-refundable, it may still be possible to cancel it and get a refund within a 24-hour period of your booking. Enter dates in and click on "Search", then filter by "fully refundable" to get the best options available near Praia Porto das Mulleres.