How big is the LEGOLAND California Hotel? We have 250 themed rooms, which are split into 5 different room themes. Adventure, Pirate, Kingdom, LEGO Friends & Ninjago. Was this article helpful? Related articles What amenities are available at the LEGOLAND California Hotel? What amenities are available at the LEGOLAND California Hotel for Children? Do you have a LEGOLAND Hotel Arrival & Check-in Guide? Are pets allowed in the LEGOLAND California Hotel? Is there a door seperating the children's room from the rest of the room?