John O' Groats Ferries runs a 90-minute wildlife cruise during the summer which visits the island of Stroma and the sea stacks at Duncansby Head, viewing sea birds including sometimes puffins and seals.
A day trip to Orkney also operates from both Inverness and John O'Groats during the summer.
There is free parking available by the ferry tickets office in John O' Groats which is 5 minutes' walk from the boat. Public toilets and a small number of cafes are nearby.
John O' Groats is 30-40 minutes' by bus from Thurso or Wick or a 25-minute drive by car.