Comfortable Accommodations Twelve Diamond Hotel in Istanbul offers family rooms with air-conditioning, private bathrooms, and free WiFi. Each room includes bathrobes, a tea and coffee maker, hairdryer, dining table, work desk, shower, slippers, TV, and electric kettle. Convenient Facilities Guests benefit from a 24-hour front desk, free on-site private parking, and free toiletries. Additional amenities include a dining area, wardrobe, and free toiletries. Prime Location Located 16 mi from Istanbul Sabiha Gokcen International Airport, the hotel provides easy access to local attractions.