You can get a taxi from airports to Sirena's Suites for max 4 people.
Vehicle
You can book a vehicle from transport company.
Good for if you are more than 4 people and many luggage.
Bus
You can come to Taksim square by public transportation.
Sirena's Suites is approx 600 meters away from Taksim square.
It is possible to come by walking or take a taxi if you have big bags.