When is LEGOLAND California Park / Water Park or SEA LIFE Aquarium open? For your convenience you can access a complete listing of our park hours HERE. Was this article helpful? Related articles What Items can I not bring into LEGOLAND? What time is last entry to SEA LIFE California today? Do you have a LEGOLAND Hotel Arrival & Check-in Guide? How Can I Contact You? Can I store my luggage at the Park when I arrive to visit?