At Petani, your field of view is filled with cliffs and an absolutely gorgeous postcard beach with crystal clear waters. Partly free style, partly organized.
Myrtos is only partly organized. Without any buildings around, this scenic place will take your breath. Go early, if you're visiting during the high season.
Platis Gialos or Wide Beach as it translates is as its name suggests. Clean, turquoise waters, sandy bottom, and a short cliff. Not developed.
Idyllic sunrises. Clear waters and a spacious beach are excellent for quiet days with privacy. There's an organized area with food and watersport rentals.
A spacious sandy beach at Kefalonia's southernmost tip. Beside the village, you enjoy amenities, and in the rest, you go self-organized.
If you don't mind the small rocks and pebbles, Ragia beach is beautiful and quiet. Worth waking up early for (or going to bed after) sunrise on the beach.