The comfortable Hallmark Hotel & Spa Istanbul is located near the entertainment district of Istanbul, approximately 6 km from the historic Sultanahmet District. Overlooking the city, this 4-star smoke-free hotel lies in close proximity to the Military Museum and Cultural Site Command and includes a Turkish steam room and a sauna.

The hotel boasts a prime location 150 m from Osmanbey underground station and nearly a 5-minute walk from the Bet Israel Synagogue. Guests can easily reach Vodafone Park Multi-Purpose Stadium in proximity to the Hallmark Hotel & Spa Istanbul. There is the Basilica Cistern about 7 km away, and Harbiye bus station is 650 m from the property. This hotel is located in Istanbul, approximately 4 km from Sirkeci train station.

The allergy-friendly rooms at the Hallmark Hotel & Spa combine such comforts as climate control with complimentary wireless internet and a flat-screen TV with satellite channels. They also comprise a balcony and a terrace. Furnished with soundproof windows, these comfortable rooms also have a writing table. Guests can take advantage of a separate toilet and a shower, along with shower caps and towels supplied in the bathrooms.

The American-style Hallmark restaurant serves American food. There is a restaurant serving Turkish food around 5 minutes' walk away.