The very best strength signal is in the Condor Bar, and a free signal.
In Aquarious you need to sit at a table near the Athina side to get a signal.
One of the strongest signals comes from up the Headland hill (the hill towards Arillas Bay), you can see the Ariel.
So if not too far away and facing this villa, in reasonably clear line of sight, you can pick up in a number of Locations.
Either Glen or the Guy in the Car Hire place will show you the Ariels location.
I picked up four seperate WiFi signals last year, San Stefanos travel has an encrypted one, so did the Bar 38,
but Dimitris gave me the key to log in in the bar. Just try your luck in various places.
I had no free signal from Theodosia Apts, Barras, Thomas Bay had a slow connection, outside the car hire was fine to connect.
I picked up on the Beach Ok, but just not too far along it.