DOUBLE ROYAL HOTEL has a seasonal outdoor swimming pool, garden, a shared lounge and terrace in Kocaeli. Among the facilities of this property are a restaurant, room service and a 24-hour front desk, along with free WiFi. Guests can have a drink at the bar. All rooms come with air conditioning, a flat-screen TV with satellite channels, a minibar, a electric tea pot, a shower, free toiletries and a closet. The rooms include a safety deposit box, while selected rooms also feature a balcony and others also feature city views. Guests at the hotel can enjoy a continental breakfast. Istanbul Sabiha Gokcen International Airport is 12 miles from the property.