Guests of Residence Inn by Marriott Houston Katy Mills have access to an outdoor pool, a 24-hour gym, and free WiFi in public areas. If you drive, self parking is USD 3 per night, and there's also a free area shuttle. The front desk is staffed 24 hours a day to help with securing valuables and dry cleaning/laundry. Other amenities at this family-friendly hotel include a spa tub, conference space, and a 24-hour business center.