What are the hotel pool opening hours? The LEGOLAND hotel pool is open from 9:00 am - 9:00 pm*. For Beach Retreat: Pool hours of Operation: Monday through Friday: 9am – 12pm & 4pm-9pm Saturday & Sunday: 9am-9pm *Hours are subject to weather conditions and seasons. Was this article helpful? Related articles Is the hotel pool heated? What Children's amenities do you have at the hotel? What are your hotel pool restrictions? Can I opt out of the included breakfast? How much is admission to LEGOLAND Water Park?