Courtyard By Marriott Sejong offers 281 air-conditioned accommodations, which are accessible via exterior corridors and feature safes and complimentary bottled water. 65-inch flat-screen televisions come with cable channels and Netflix. Bathrooms include bathrobes, slippers, bidets, and complimentary toiletries.
Guests can surf the web using the complimentary wireless Internet access (speed: 100+ Mbps (good for 1–2 people or up to 6 devices)). Business-friendly amenities include desks and phones. Change of towels and change of bedsheets can be requested. Housekeeping is provided daily.