Is the LEGOLAND Castle hotel pool heated? Yes the hotel pool is heated to 80 degrees. Was this article helpful? Related articles What Children's amenities do you have at the LEGOLAND Castle Hotel? Is breakfast included in my stay at the LEGOLAND Castle Hotel? Do you have a LEGOLAND Hotel Arrival & Check-in Guide? What time is Early Access to the Park? Do you have microwaves in your Hotel rooms?