Offering 46 rooms, the smoke-free Hallmark Hotel & Spa Istanbul is near the entertainment district of Istanbul and approximately 20 minutes' walk from the Dolmabahçe Mosque. Located in close proximity to the Military Museum and Cultural Site Command, the 4-star hotel boasts American cuisine served at the onsite American-style restaurant.

You'll be merely 1.9 km from the cobblestone Istiklal Street and 3.1 km from the restored Baroque Revival Ortakoy Mosque. The Hallmark is situated about 500 metres from Istanbul Lutfi Kirdar Convention & Exhibition Center and a stone's throw from Osmanbey underground station. The nearby shopping sights include the Sultanahmet District, which is 5 km away. Macka Parki bus stop is also within 5 minutes' walk of the hotel.

A mini-fridge-bar, coffee and tea making equipment along with a flat-screen TV with satellite channels are provided in each of the allergy-friendly rooms at the Hallmark Istanbul. Furnished with wardrobes and a writing table, they also have sound-proof windows. Guests will make use of bathrobes and towels in bathrooms equipped with a separate toilet and a shower.

You can have a daily buffet breakfast on site. The property features Hallmark restaurant. There is a bar serving Italian food 100 metres away.