It's always open and nice by the time we arrive in late May. You do need a card/pass to gain access to the pier and pool. 😊 We love the Cherry Grove area!!
Its open but cold. You need the pier pass for the pool and the pier, both are private
I was just at my parents cabin there last week. Pool was open but cold. As far as I know it's open year round. You need the new pier pass to get in. The old ones are now defunt. I ended up getting a membership at the NMB Aquatic Center and swam in their Indoor pool.
Only been at the summer but I would imagine only in warm weather and yes you need your pass to get in
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