Number 25 Hotel Sangdong offers 30 air-conditioned accommodations, which are accessible via exterior corridors and feature bathrobes and designer toiletries. Accommodations offer separate sitting areas and include desks. Pillowtop beds feature down comforters and premium bedding. A pillow menu is available. 65-inch LED televisions come with digital channels, pay movies, and Netflix.
Bathrooms include showers, bidets, complimentary toiletries, and hair dryers. Guests can surf the web using the complimentary wireless Internet access (speed: 250+ Mbps (good for 3–5 people or up to 10 devices)). Change of towels and change of bedsheets can be requested. Housekeeping is provided daily.