Located close to Inova Fairfax Hospital and Hidden Oaks Nature Center, Residence Inn By Marriott Fairfax Merrifield provides a free breakfast buffet, shopping on site, and dry cleaning/laundry services. For some rest and relaxation, visit the hot tub. Enjoy the 24-hour gym, as well as activities like volleyball and basketball. Free in-room WiFi is available to all guests, along with a fireplace in the lobby and a business center.