Can any Guest visiting LEGOLAND eat at the Castle Hotel? Currently Closed. Yes, The Dragon's Den restaurant welcomes outside guests and guests staying at the LEGOLAND California Hotel. Was this article helpful? Related articles Do I need to make a reservation at the Hotels restaurants? If we are staying at the LEGOLAND Hotel, can we eat and visit the Castle Hotel? What is the Dragon's Den Restaurant and Bar? Is the All Day dining package available for sale at LEGOLAND? What does the All Day dining package include?