The requirements for documents needed at check-in depend on the type of accommodation and the applicable regulations. For hotels and other accommodation facilities, a Russian passport, an international passport, or a driver’s license may be accepted. For apartments, serviced apartments, and other properties where check-in or contract conclusion is carried out according to the rules of a specific property, the required documents are determined by the property itself. The Russian sauna is booked in advance and paid separately: the rental price for 4 hours is RUB 7000.00, for 3 hours — RUB 6000.00. Accommodation with a dog is possible. The cost of a stay for the entire time with a dog weighing up to 5 kg is RUB 2000.00, with a dog weighing from 5 to 10 kg — RUB 3000.00, from 10 kg — RUB 5000.00.