Travelling to Scotland’s West Coast islands with Calmac typically costs between £0.20 to £0.70 per nautical mile. For example, Ardrossan to Brodick one way, 19nm, 55 min, for a foot passenger – £5-10¹ Similarly subsidised, the Northern Isles pay the same rate.

Isle of Wight with Wightlink typically costs £1.50 to £2.50 per nm. For example, Plymouth to Fishbourne, one-way for a foot passenger, 10nm – £14-£22. ²

Channel Isles – £1.50 to £3+ per nm, Jersey to Guernsey 30nm, one-way foot passenger £32 to £50 .³

Sources:

1. https://ferrygogo.co.uk/scotland/isle-of-arran/
2. https://www.wightlink.co.uk/tickets
3. https://www.condorferries.co.uk/ferry-routes-ports/ferries-to-guernsey/jersey-to-guernsey-ferry