When it comes to cleanliness, 'Lilium Hotel Santorini' does not disappoint. Guests have raved about how clean and comfortable their accommodations were, including the modern facilities and daily cleaning services. The hotel's staff is also friendly and welcoming, further enhancing the guest experience. The facility is consistently freshened up and smells great. Though a few guests reported some dust on the AC unit vents and exposed wiring covered by PVC pipes, they were in the minority. The exterior equipment, including the pools and long chairs, are adequately maintained and cleaned daily. The hotel's breakfast has a wide variety of options and most guests found their private pools and Jacuzzis well-maintained. Guests have also noted the spacious and clean rooms and terraces. Despite some comments about the cleanliness around the pool and the occasional paper or cup in corners, overall, the hotel is exceptionally clean, impressing guests with its quality.