Kathisma. Kathisma is one of the most beautiful beaches of Lefkada. It lies four kilometres south of the village Agios Nikitas. Remarkable here is the colour of the sea, which is completely turquoise, very clean and crystal clear. It is a long sandy beach surrounded by green hills. On the beach are sun loungers and parasols for hire. There are some great tavernas and cafeterias. The sea on this side of the island is rougher than on the other side. There can be a lot of fun on the beach with the high waves. This beautiful beach attracts many day visitors behind the beach there is a large parking where you can park for free.