Most guests at the Radisson Slavyanskaya Hotel came from other regions of the Russian Federation. Foreign nationals accounted for no more than 10% of the total number of guests.
Many guests arrived with parents and children and booked up to four rooms at a time. Although the overall booking depth in 2021 was low, New Year's dates began to fill up quickly as early as November.
Many guests celebrated New Year's Eve at the hotel restaurant, which served a special chef's menu on New Year's Eve. Most orders were made through room service. Guests also celebrated in the hotel lobby bar, which was open until 5 a.m.