Bethesda North Marriott Hotel & Conference Center
5701 Marinelli Rd, Rockville, MD 20852


Located in one of Washington, DC’s surrounding suburbs, our hotel is close enough to all that you want to see; yet more comfortable and accessible than other metropolitan locations. Adjacent to the Metrorail’s Red Line, the entire greater Washington, DC area is just 4 metro stops away. With our proximity to the I – 270 Technology Corridor and the restaurants and activities of downtown Bethesda, our hotel is the perfect location for both work and play. The possibilities are endless.


Business Center Service at Reception Desk • 24 hour modern fitness center, featuring Peloton bikes • The Corby Kitchen, our hotel restaurant, for delicious, locally sourced, Chesapeake Bay regional cuisine • The Corby Market, grab and go hot and cold snacks, sandwiches and beverages. Featuring Illy coffee • MClub Lounge, for exclusively for our Bonvoy Platinum and above Elite members • On-site laundry • Cash machine/ATM • Valet dry cleaning • Mobility accessible rooms


Pike & Rose Dining & Shopping Center • The Music Center at Strathmore • Downtown Bethesda • Washington, DC Monuments & Attractions • National Zoo

Book Your Stay

Rooms for the AARST International Radon & VI Symposium are available at the rate of $209.00 per night plus state and local sales tax (currently 13%) in effect at the time of check-out.  Group ID: American Association of Radon Scientists and Technologists Sep2021

Warning regarding room solicitations: Book your room through the AARST Link above ONLY.

Neither AARST nor the Hotel will contact you directly to book your room. “Room pirating” is a thing, and while the “hurry and get your room today for your special event” email – might look  like we sent it – if it did not come from, then we did not! Booking through companies such as these often leave you with no recourse if you need to change or cancel reservations.

If you prefer to make reservations by phone, please use the following dedicated AARST Group Reservations phone numbers to ensure you get the group discount.

Reservations Toll Free: 1-877-212-5752
Reservations Local Phone: 1-301-822-9200