Sheraton Grand Istanbul Atasehir in Istanbul

This slick, high-end hotel is 7 km from the Sea of Marmara coast, 17 km from the Bosphorus Bridge and 21 km from the 15th-century Topkapi Palace.Airy rooms with floor-to-ceiling windows provide flat-screen TVs minifridges, and tea and coffeemaking facilities; some have sea views. Club rooms add terraces, plus access to a private lounge with free breakfast and snacks. Suites include living rooms. Wi-Fi and 24-hour room service are available.There's a polished international restaurant, as well as a cafe and a bar. Other amenities include an indoor pool, a spa and a fitness room, along with a conference center and a ballroom.