Do I have to visit both LEGOLAND and the Water Park on the same day? Yes, the Water Park entrance is inside of LEGOLAND and therefore you must visit both Parks on the same day if you ticket includes the Water Park admission. Was this article helpful? Related articles Can I visit LEGOLAND today and then the Water Park on another day? Does my LEGOLAND ticket include entrance to the Water Park? Does my Annual Pass include complimentary toddler admission? What are the prices of Cabana Rentals? When is LEGOLAND California Park / Water Park or SEA LIFE Aquarium open?