Yo can bring it but you have to leave in your car or buy food in their consession. They will give you a bracelet to go out and return to the park if you want.
Nobody will check your belongings on arrival. There is a sign that says "no outside food". The food they sell is very good quality and reasonably priced. Hamburger, pizza, nachos, soft served ice cream, chips, cookies, sodas, juice, water, etc. My family had a pizza pie and burgers and ice cream and we were all very satisfied.
You can bring water.
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