Grand Ons Hotel offers 24-hour room service as well as a rooftop terrace with a swimming pool and panoramic views of Marmara Sea, a 15-minute walk from Grand Bazaar.

The guest rooms at the Grand Ons have parquet floors, satellite TV and a minibar. A private bathroom with bathtub and hairdryer is included for each accommodation.

A Turkish breakfast buffet with fresh bread and olives is available daily in the main restaurant with its large windows and city views. Guests can get drinks and snacks at the snack bar and Aquarium Café.