For (a) Port Askaig, CalMac pay Argyll and Bute Council the published rates for harbour dues as detailed on the Council's website: http://www.argyll-bute.gov.uk/ports-and-harbours-vessels/ports-and-harbours-rates-vessels and for (b) Port Ellen harbour, CalMac pay an annual fee to Caledonian Maritime Assets Ltd (CMAL) which covers harbour dues at all the CMA...