Located about 20 minutes' walk from the restored Column of Constantine, the 3-star Grand Ons Hotel Istanbul is in the old centre of Istanbul and 2.5 km from the Galata Bridge. In the vicinity of the Yenikapi, the hotel with 90 rooms features a sundeck and a shared lounge, plus an à la carte restaurant, serving Turkish specials.

This hotel is nestled in the shopping area of Istanbul, 1.1 km from Sea of Marmara. The Grand Ons Istanbul is situated around 400 metres from the Levent district and within a few blocks of Yenikapi underground station. The accommodation is also not far from the Marmara Sea. This Istanbul hotel is within 25 minutes' walk of the historical urban Gulhane Park. Beyazit bus station can be found in proximity to the property.

The non-smoking rooms at Grand Ons Hotel are fitted with free wireless internet, some of them feature a parquet floor. Also, there is a personal safe, a mini-fridge-bar provided. Bathrooms include a separate toilet, a shower, and a sink, along with comforts such as hair dryers and bath sheets. They offer views of the city.

Every day the Grand Ons serves a continental breakfast with freshly baked bread and fresh fruits. Featuring a terrace and a lounge, the rooftop bar creates a warm atmosphere to have refreshing drinks. Furnished with a fish tank, the bar also has Wi-Fi and a TV. The hotel is a mere 1.3 km from the restaurant Sehri Saray.