Gotta read all the rules on the site to get the scope of the offering. A little too restrictive for my taste. You can drink but in moderation ( who decides what that is) and only on approval from the captain, I get it but thats a lot of money for a whole lot of rules. Like what has been said already looks like evening trips into the village or to the island nightlife is doubtful. Not for me but to each thier own.
Cheers
You have to wonder if you need permission to drink onboard and at the captains pleasure, I would assume to control onboard behavior, would they not allow you back onboard if they felt you had had too much onshore ?