This app was mentioned in
with an average of
> but it isn't really all that easy to make sense of
probably because that list has so many errors, it's an embarrassment considering it comes from the official authority - do not trust those coordinates without first checking them out on Google Maps! or search using the name instead, that works - like this [link]
someone made a free app listing the places to find, hopefully it does not have the same errors - [link]
in general most public squares and gardens have free wifi, together with any location close to a Local Council office.
and then there are a number of restaurants and McD and BK of course.
OTOH: Malta Free WiFi Android iOS