Yellow Cafe
Thong Sala, Koh Pha Ngan
You can't miss Yellow Cafe its right by the main piers and has a huge sign up outside advertising the fact that it is a free wi-fi hotspot.
Chequered Flag
50 metre from Seatran Pier
Not only do they have free wi-fi, if your laptop is not wireless compatible then the barman will supply you with a LAN cable so you can plug straight into the router! Outstanding!
Cool Runnings
On the road from Thong Sala to Ban Tai.
It is on the right side. If you hit the gas station near Funny Bar / Smile Bar / Gado-Gado Bar, you have gone too far!
Arrow bar
See Thanu
It's the biggest bar in See Thanu, offers free wi-fi to it's customers just ask for the password. On the second floor you have a great view. They serve also good food.