How old must you be to enter the attraction unaccompanied? Unaccompanied Minors Except when participating in events intended for young guests, such as our educational field trips and summer camps, children 14 and under must be accompanied by an adult aged 18 years or older. Was this article helpful? Related articles What dining options do you have at LEGOLAND Florida Park? How much is food at LEGOLAND Florida Resort? Can I take a backpack into LEGOLAND? Is outside food or alcohol allowed inside the park? What security do you have at LEGOLAND Florida Park?