There are lots to see in Ermioni such as the luxuriant pine wood forest Bisti, located at the edge of the peninsula, offering charming views and the ideal place for a refreshing long walk to the hilltop where you can see the ruins of an ancient temple. Enjoy the lively Mandrakia neighbourhood where you can enjoy your coffee or meal by the seashore. Make sure you stop by Agioi Anargyroi monastery (11th c.) with its remarkable library in the premises as well as the wonderful wood-carved iconostasis in the church. Katafyki ravine (4.5 km N) is where you should go if you are a nature lover to appreciate the green landscape and the impressive caves.
If you like diving, Kappari islet located at the cove’s entrance has a diving school.
The area’s beaches are definitely worth visiting; they are numerous and can cater to all tastes. There are little coves you can visit around Bisti, Kouverta beach with a dark-coloured sand and calm waters, Petrothalassa, a sandy beach stretching as far as the eye can see, Dardiza pebble beach, Sentoni as well as the beaches in Thermisia and Plepi.
Other nearby interesting destinations are Iliokastro, famous for its fine vineyards; ancient Eileoi (pronounced Ilei) with significant archaeological finds; and Thermisia village where you can visit a Venetian castle on an imposing 350m. height rock.