I saw a 4' x6' by 12" tall kiddie inflatable pool at a site but do not think you are supposed to have one
Small, yes.
Sites are pretty tight. There's an office you could call and ask. You are right next to the ocean beach where they are protecting loggerhead sea turtles and the surf is relatively friendly.
Really not sure. Don't see that anyone would say anything about a small kiddie pool.
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