How big is LEGOLAND New York Resort? Our full site is more than 500 acres. The Resort will initially occupy 150 acres, making it the largest LEGOLAND ever built by Merlin Entertainments Group. Was this article helpful? Related articles Do you need Proof of Vaccination to Enter the Park? Does LEGOLAND New York Resort have a water park? What kinds of restaurants will LEGOLAND New York Resort offer? Is a Negative COVID-19 Test Required to Enter the Park? What is Minifigure Trading?