When is the best time to visit LEGOLAND Water Park? During the summer, we recommend that you plan your visit to the Water Park between 10:30 a.m. -1:00 p.m. or 3:00 p.m. - 7:00 p.m. to avoid the peak visit time between 1:00 p.m. - 3:00 p.m. Was this article helpful? Related articles When is the LEGOLAND Water Park closed? Is it possible that any of the attractions inside the Water Park can be closed on any given day? Can we bring coolers into the Water Park? Are towels available for rent or use in the Water Park? How long does it take to slide down the large slides in the Water Park?