Every room of the hotel has up-to-date conveniences including a 40-inch LCD TV, remote jack pack and wireless Internet. The unique and modern interior design created by Gensler, the world's famous German interior consulting firm, offers incomparable comfort and warmth. Plus, the hotel provides a variety of conveniences and superb amenities such as an upscale buffet and international cuisine.

Marquis Thermal Spa & Fitness Club, a flagship facility of JW Marriott Seoul, is a large-scale three-story facility that houses up-to-date fitness work-out equipment as well as a swimming pool using spa water sourced from underground rocks, a sauna, and diverse leisure sports programs including scuba diving, rock climbing, golf and squash. Therapy Center offers world-class spa treatment based on all-natural organic ingredients and diverse well-being programs.

The JW Marriott Seoul, located nearby COEX and International Trade Center, is readily accessible by subway since it is connected with the Express Bus Terminal Subway Station underpass.