A visit to the front desk is required to check in and receive a physical key.
Guests with reservations through Sept.MGM is “working hard to activate our call centers and direct booking through our website and mobile app” and says that reservations through third-party booking sites are available. Upcoming reservations will still be available.The Frequently Asked Questions page provided the following information: Hacker group threatens another attack after claiming responsibility for MGM Resorts cyber chaos