Our Host

MGM Hotel National Harbor
Guest Rooms

A block of guestrooms at a rate of $229 single/double occupancy (plus occupancy tax) per night have been reserved for MACE 2019.

Two ways to reserve your room:
1. Click here to reserve your room online.
2. Call 301-971-5000 and ask for the MPI MACE block to secure this discount.

The cut-off date for our preferred rate isĀ Tuesday, February 6, 2019. Any reservations made after this date will be subject to prevailing rates.

Book Your Room Reservation


What is the Hotel Cancellation Policy?

The hotel requires a 72 hours notice for cancellation so that you do not incur a charge of one night stay plus tax. To cancel your hotel reservation, please call 301-971-5000.

Is a hotel deposit required to guarantee the hotel room?

To secure your hotel reservation, the hotel requires a credit card / debit card be on file. No charges will be made at the time of reservation.

Does the Hotel Offer Group Rates?

The hotel offers group rates at $229 per night (Cut-Off Date: Monday, February 5th, 2018). Group room rates are subject to applicable state and local taxes (currently 14.8%) in effect at the time of check-in.
GROUP CODE: MACE 2019 Room Block



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