Katakolon is a small town in Southwestern Greece most visitors arrive here on a cruise ship to visit Ancient Olympia where the Olympic Games first started in 776 BC.
The town has a population of 300 to 400 citizens with main street selling souvenirs and the picturesque waterfront street with coffee shops and tavernas most have Wi-Fi.
There's a Pharmacy 100 meters from the Port gate on the right side of main street they do speak English and will offer advice if asked.
There's a supermarket on the left side of main street and ~5 ATM's available.