Beach Clubs is the register of the operation on the sand — what is run on the shore, by whom, and on what terms.
The beach club is a distinct business with its own hours, its own admission and its own economics, whether it belongs to a hotel, to a group or to nobody but itself.
The register reads the operation rather than the setting: who runs it, who may enter, what the day costs and what the house actually controls. It is the companion to Beach Matters, which reads the shore the club stands on.
Draft — written from the register's declared question, to be replaced by your own text.
Same key. Different question.