Featuring an indoor pool, sauna, Turkish bath and a fitness center, the Istanbul Marriott Hotel Sisli is in one of Istanbul's commerce centers. Wi-Fi access is available.

The air-conditioned rooms in Istanbul Marriott Hotel Sisli include a minibar, ironing facilities, safe, desk and a 42" flat-screen satellite TV with pay-per-view channels. Featuring a hairdryer, the private bathrooms are also stocked with towels. Some rooms offer a sea view.

At Istanbul Marriott Hotel Sisli, there is a spa and health club, a sit-down restaurant and buffet restaurant. Other facilities include a shared lounge, a tour desk and luggage storage.

Cevahir Shopping Mall is just a quarter mile away and Profilo Shopping Center is just under 1.6km from the property. Sisli Metro Station is just under a quarter of a kilometer from the property, which provides easy access to other parts of the city. Ataturk Airport is 22.5km away.