The IR-ON Hotel offers several room types including Standard Twin Rooms with two twin beds, Standard Double Rooms with a king size bed, Deluxe King Rooms with a king size bed, Executive Suites with a king size bed, Superior King Rooms with a king size bed, and Junior Suites with a king size bed. All rooms have a size ranging from 215 sqft to 753 sqft and can accommodate 2 adults and 1 child. Smoking is not allowed in any of the rooms.

Based on the provided data, guests at the IR-ON Hotel can spend their time enjoying the featured amenities and other amenities available at the hotel. Unfortunately, the specific details of these amenities are not provided, so it is difficult to provide detailed information about how guests can spend their time.

However, typical leisure amenities that can be found in hotels include swimming pools, fitness centers, spa services, and on-site restaurants. It is possible that the IR-ON Hotel offers some or all of these amenities for their guests to enjoy. Additionally, other amenities such as concierge services, room service, and cultural activities may be available to enhance the guest experience.

To determine how guests can spend their time at the hotel and make the most of their stay, it is recommended to contact the hotel directly or consult their website for more information about the specific leisure amenities and activities provided.