Done it as part of Shimanami Kaido bike ride. It was raining as hell that day. Sitting on the shore and cooking your seafood on this portable grill was amazing experience.
If anyone wants to go there, here is this place:
https://maps.app.goo.gl/xFbpdcJqzc3Bcjx96?g_st=ipc
by coolrodion89
AloJapan.com