Shoals of day trippers head by boat for the beaches of for sea grottos mostly found on the limestone cliffs of the exposed west coast.
Hired boats are not allowed here so the only way to see it from the sea an excursion boat. You can walk coastal paths but, of course, you don't get to experience the majesty of the cliffs, although there are spectacular views.
The sea caves are impressive and quite the best anywhere in the Greek islands. Some of the caves are large enough to take pleasure boats and visitors are taken inside.
The cave at Kastanitha is the most impressive at 600 ft high though the largest is found at Grammatiko. All of the caves are worth a visit.
The views from the cliffs above Ermitis Bay are very popular with visitors , particularly at sunset and the local Sunset Bar is a very popular place in the evening. Follow the signs from the hamlet at Biokatika to get to it. Many thanks to David Watrous of Ionian Villas for the update