Accommodation comprises 518 guest rooms including 19 Studio Rooms and 32 Junior Suites. All rooms and suites at JW Marriott Hotel, Kuala Lumpur have an ample working area, two-line speaker phones with voice mail and high-speed Internet access.

Standard features include mini-bar, individually controlled air-conditioning, separate shower and bath, in-room safe, two telephone lines with voice mail and data ports and 24 hour Room Service. Non-smoking and easily accessible rooms are available.