Offering a location within 300 metres of Meryem Ana Rosario Kilisesi, Grand Onur Hotel Istanbul offers 23 rooms. This hotel features bicycles for rent, as well as Wi-Fi throughout the property.

The National Sovereignty Park is 3.5 km from the 4-star aparthotel, and the Ataköy Marina is located a 20-minute walk away. Guests can visit places of worship such as the Church of St. Mary of the Spring, situated 2.9 km from the Grand Onur. This property is also within a few blocks of the Panorama 1453 History Museum and Bakirkoey bus station is a 10-minute stroll away. The hotel is 50 minutes' drive from Istanbul Sabiha Gokcen International airport and 350 metres from Yeni Mahale train station.

Air conditioning, along with a mini fridge bar and coffee/tea making machines, provide in-room convenience at the Grand Onur Istanbul. Furnished with a writing table, they also have sound-proof windows. Bathrooms are fitted with a separate toilet and a shower as well as hairdryers and bath sheets.

The restaurant Zaher is situated a stone's throw from this accommodation.