When i went children were always there alone. As far as the age im really not sure. I seen kids that were ? 10 11 there alone. Free 4 kids too!! To be honest if I were you I would just look up the number and call them to be on the safe side 😉
Kids are safe to leave if they can fully swim. I do with mine. Not a good idea if they can not swim all the way. They also have cheap swimming lessons.
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