Can Children be unaccompanied by the LEGOLAND hotel pool? Children under the age of 14 must be accompanied by a responsible adult at least 18 years of age. Children under 48 inches must wear a provided life jacket. Was this article helpful? Related articles What are your LEGOLAND hotel pool restrictions? What Nightly Entertainment do you have? Can I rent a stroller for the day? What food options are there at LEGOLAND California? What Children's amenities do you have at the LEGOLAND Hotel?