Yes, you'll find most hotel bookings are fully refundable as long as you cancel prior to the hotel's cancellation deadline, which is often 24 or 48 hours before your 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 booking. Add your dates and click on "Search", then you can filter by "fully refundable" to get the best deals available near Marina di Portorosa.