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 What will I find at LEGOLAND New York Resort? What ages is LEGOLAND New York Resort for? Where is LEGOLAND New York Resort located? How Much is a Single Day Parking Pass? How Much Does The Standard Annual Pass Cost?