Here's the free Wifi connection in Fukuoka. 

 

  • Fukuoka City Wi-fi

 

http://wifi.city.fukuoka.lg.jp/en/

This Wifi service has an alliance with Onsen Oita Wi-fi City (Oita, Beppu, Yufu). Once you register to either service, other one can be available without registration. NIshitetsu 100 yen Circle bus will join this alliance on September 1st.

 

  • Tenjin Underground Mall Wifi

 

http://www.tenchika.com/about/wifi/ 

 

  • JR Hakata City

 

Amu Plaza Hakata, Amu Est, and Hakata Deitos have common free Wifi. The service is available from 4:30 to 26:00.

 

  • KITTE Hakata

 

 https://kitte-hakata.jp/wifi/

 

  • Canal City

 

http://canalcity.co.jp/news/event/60

Marinoa City has similar Wifi service to Canal City.