How big is LEGOLAND New York Resort? LEGOLAND New York Resort spans a total of 500 acres, with the theme park itself occupying 150 acres. This makes it the largest LEGOLAND ever built by Merlin Entertainments Group. Was this article helpful? Related articles Is LEGOLAND New York Resort an indoor or outdoor attraction? What ages is LEGOLAND New York Resort for? Do you have a park map? What dining options are available at LEGOLAND® New York Resort? Are Shoes Required At the Park?