There's no cost to enter the grounds and enjoy the botanical gardens and property. There is admission for the Children's Museum, Staten Island Museum and the Chinese Scholar Sculpture Garden. I am not sure of the admission price for each venue.
The answers above are correct
Admission fees to the museums only. Museum may have different entrance price weekend or midweek
The answers above are accurate to the best of my knowledge.
Around $8 and if you have a cool culture card then its free
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