Offering a restaurant, the amazing Aquarium Hotel Istanbul lies in the Old City Sultanahmet district, approximately 300 metres from the Basilica Cistern and nearly 10 minutes' walk from the Ottoman-era Friday Blue Mosque. In the vicinity of the large Topkapi Palace harem Museum, the 3-star smoke-free hotel with 21 rooms features currency exchange and a lift.

This Istanbul hotel is situated in the entertainment area, around 1 km from Sea of Marmara. The Aquarium Hotel Istanbul is steps away from the commemorative German Fountain, and Cagaloglu Hamami Public Bath, where guests can indulge in relaxation, stands merely 250 metres away. Nature lovers will appreciate the vicinity of Golden Horn, which is only a 13-minute walk away. There is the diminutive Rustem Pasha Mosque just 1.6 km away, while Havatas transfer bus station is 600 m from the property. Istanbul Sabiha Gokcen International airport is a 48-minute drive away, while Sirkeci railway station is a stone's throw from the Aquarium Hotel.

Overlooking the inner courtyard, some rooms at the hotel feature a stone fireplace furnished with a writing desk and a sofa bed. Guests can make use of coffee and tea making facilities, and relax with Wi-Fi and a cable TV with on-demand films.

A delicious buffet breakfast is offered at the Aquarium Hotel Istanbul. Also, the accommodation features a 24-hour bar. The bar area includes a lounge. Situated just near this hotel, the seafood restaurant Gulhane Sark Sofrasi offers a Mediterranean menu.