Marriott St. Louis Grand Hotel

Marriott St. Louis Grand Hotel – Headquarter Hotel

800 Washington Avenue
St. Louis, MO 63101
Phone: 314-621-9600
Marriott Reservations: 800-228-9290
Marriott Grand Hotel

Government Room Rate (Prevailing government per diem)

The Government Block is SOLD OUT.

Industry Room Rate

$169** (single occupancy)

To reserve your room, visit the hotel’s group reservation page.

**Rate does not include applicable state and local taxes (currently 17.929%)

Individuals must identify themselves as being with the "2017 DoDIIS Worldwide" at the time the reservation is made in order to receive the group rate. This rate will be assured until 5:00PM local time at the hotel on Friday, 28 July 2017; if the block has not been filled already. After this date, reservations can be made on a space-available basis.

Check-In & Check-Out

  • Check-In: 4:00 p.m.
  • Check-Out: 12:00 p.m.


  • On-site self-parking: $2 per hour, $20 per day
  • Valet parking: $28 per day
  • Self or Valet parking does not accommodate large SUV's and other oversize vehicles


  • Guest Rooms: Complimentary internet will be provided to all Marriott Rewards members
  • Guest Rooms: $1 per day for non-Marriott Reward members
  • Lobby and Public Areas: Complimentary wireless internet provided

Smoke-free Policy

  • This hotel has a smoke-free policy