Cosmos Hotel Istanbul, located in the Old City Sultanahmet district, within 20 minutes' walk of the old Bayezid II Mosque, offers cars for rent. Wi-Fi is featured in public areas and a bureau de change and a tour desk are available on site.

Blue Mosque is only 550 metres away, while Sirkeci train station is within walking distance of the 2-star hotel. Basilica Cistern is only 7 minutes' walk from the hotel, and Istanbul Sabiha Gokcen International airport is 45 km away. There is Dolmabahce Palace a 10-minute ride away, and Havatas transfer bus station not so far from the property.

Cosmos Hotel Istanbul offers 6 rooms with a minibar fridge, and such modern conveniences as Wi-Fi and a flat-screen TV with satellite channels. Furnished with a sofa and a work desk, they also have soundproof windows. Bathroom amenities include a bidet, a separate toilet, and a shower, along with comforts such as a hairdryer and towels. Guests can take advantage of views of the garden.

The Cosmos Hotel Istanbul offers a continental breakfast served every day in the restaurant. Seven Hills Restaurant with healthy cuisine is located a 6-minute walk away.