User reports lean OK.
AJ Resort Island Ie Jima, Ie Island Hot Spring, prohibits entry to facilities such as pools and hot springs for those with tattoos. However, due to the lack of user reports, the certainty is low, and it is likely that tattoos are not allowed.
There are no explicit rules regarding tattoos on the official website, and there are no user reports available. Therefore, it is unclear whether tattoos are allowed.