It has lifts . Can’t say about smoking rooms

I believe it is a queen size bed. However, the couch is "L" shaped, so in worse case scenario, they would each have a twin sized bed if they chose to sleep on the couch.

Dear Mirielle, We would like to thank you for your interest in Holiday Inn Istanbul Old City once again. Unfortunately we have no complimentary transfer service between the hotel and the airports. However, if required we gladly arrange a private transfer as follows; Istanbul Airport ( ISL ) One way / Round-Trips 50,00 € 100,00€ Sabiha Gökçen Airport ( SAW ) One way / Round-Trips 50,00 € 100,00 € Above prices are available for 1-4 people This service is on demand in writing. Please fill and send us this email back to finalize the transfer service. -Arrival date -Name Of Airport -Flight Number -Estimated arrival time -Number of persons -One way / Return -Passport details of the passengers such as Passport Number , Nationality and Name The driver carrying a sign board written T 34 on it, will follow the flight and welcome the guest at the Arrival Gate ofthe Airport. Please note that we arrange transfers for the guaranteed reservations at least 1 day prior arrival time and if received approval in writing. Pick up service to be billed unless not to come on arrival date or not to cancel on time. Transfer services to be paid at the hotel. We look forward to hearing you soon and wish you a safety flight. Best regards, Holiday Inn Istanbul Old City