When is LEGOLAND California open? For your convenience you can access a complete listing of our park hours HERE. Was this article helpful? Related articles What time do you close? When is LEGOLAND California Water Park open? The Hotel package states “ Room + 2nd day free”. What does 2nd day free mean? Do you have anywhere I can store my luggage, If I am arriving before check-in time? Can I use a carrier in the Water Park to carry my infant child in the water with me?