Discover Kefalonia from the Water
https://differ.blog/p/discover....-kefalonia-from-the-
An unexpectedly high number of the island’s points cannot be accessed by road for many visitors. Subsequently, you can choose to take a swim in crystal clear waters, snorkel, or visit secluded seashores that are perfect for swimming.

A New Way to Explore the Splendor of Kefalonia
https://mavros12.livejournal.com/579.html
If you want to broaden your horizon, day trips from Kefalonia present the opportunity to visit islands and coastal towns in the vicinity.