Is the LEGOLAND hotel pool heated? Yes the hotel pool is heated to 80 degrees. Hotel Cabanas can only be reserved online HERE. Was this article helpful? Related articles How do I reserve my pool time slot? Do you have a pool at the LEGOLAND hotel? Is the LEGOLAND Castle hotel pool heated? How do I make a Hotel Pool Reservation? Do you have anywhere I can store my luggage, If I am arriving before check-in time?