Locker at kure or miyajima

Dear All,
We're gonna travel by ferry from matsuyama directly to Miyajima. We're gonna stop by at Kure port. There are 4 of us with large luggage, i need help if there are any luggage storage for big ones arround kure port/station? Thank you

good morning

there are lockers available at both kure or miyajima ports
with the latter provides a few more large lockers
please check locker dimensions at
https://setonaikaikisen.co.jp/archives/faq/1606

alternatively there are also lockers at JR kure station
including a handful of large lockers
https://www.jr-odekake.net/eki/premises?id=0801515

as far as i am aware there is no direct ferry from
matsuyama to miyajima
you will need to transfer at hiroshima from
super jet to high speed boat
there will be staff guidance during the transit if you are travelling with below
https://setonaikaikisen.co.jp/archives/news/394

have a wonderful trip