The etiquette for handling a finished room service tray varies by hotel, but in 2026, the most professional and preferred method is to call the "In-Room Dining" or "Guest Services" department to inform them that your tray is ready for collection. While many guests simply place the tray in the hallway outside their door, this is increasingly discouraged in luxury and modern boutique hotels as it can create a "cluttered" look and pose a tripping hazard for other guests. Some high-end hotels now feature "service closets" or "valet boxes" next to the door where you can place the tray out of sight. If you do choose to place it in the hallway, ensure it is neatly arranged, any leftover liquids are covered, and it is positioned so it doesn't obstruct the path. In many modern resorts, you can also use the hotel's mobile app or the in-room "Smart TV" to tap a button for "Tray Pickup." This alerts the staff instantly and ensures the tray is removed promptly, maintaining the cleanliness of the corridor and preventing the smell of food from lingering in the hallway near your room.