User reports lean No.
There is no clear information regarding tattoos from the rules or the official website. User reports are also absent, making it difficult to determine their policy.
There is no explicit statement on the official website, and there are no user reports. Therefore, it is unclear whether tattoos are allowed.
There are no user reports, and there is no information regarding tattoos on the official website of 松の湯. Therefore, there is insufficient data to make a definitive judgment.