Hi :-)

We are visiting Japan in october, and would like to find af place, where we can rent sea kayaks and explore the islands of  Kujuku Shima.

Can du help us in the right direction?

Best Lex, Denmark

Hi Lex!
Look, i searched some information on the orientation page for Nagasaki
https://planetyze.com/en/japan/nagasaki/orientation

and with what i learned I searched google and found these guys who do exactly what you are looking for:
https://www.facebook.com/wavepeak.sasebo/ 

Wavepeak (or Wave Peak) Kayak in Sasebo City & Saikai City 99 islands in Nagasaki

Why don't you send them a message on facebook?

 

I Hope it helps!