I find Santa Teresa's internet to be somewhat worse than Montezuma area just to the south on the other end of the peninsula. Really though what kills things is power outages more than internet.
There's co-working spaces with fibre optic, but you'd be surprised how many cheap hostels and stuff like that are buying into these plans becuase there's tons of competition all of the sudden. It's either Kölbi or American Data Networks serving it up for the most part, but the cable companies Tigo and CableTica are activating dark fibre purchases around too.
It looks like a fantastic place to live.
Well it looks like they replaced their reporting website with a terrible app nobody seems to like at all. I guess now you have to rely on having decent Spanish and being able to navigate their phone line heh
It has a (not-entirely-undeserved) rep as being seedy/a party town, but I found the overall pros to outweigh cons related to that.