At over £6 per month, membership on Club Penguin Island will be pricy! However, this price is for a months worth of membership and we don’t know if you can get a better value deal if you buy a longer membership like you currently can.
Well, this screenshot by Pen50gi suggests that there’ll be six month memberships which could possibly mean there’ll also be yearly membership subscriptions!
“For a subscription duration of less than 6 months”
This could also mean something completely different though and it could be trying to say that you’ll need to wait six months before you get a notice that your membership will renew.
I don’t know, I think you have to pay a lot of money for membership and there’s virtually nothing for non-members. You can read more about memberships in Club Penguin Island here.