Radisson Blu Ottomare in Istanbul, Turkey has a corrected score of 4.0 ± 0.3 (fair evidence, 3 of 4 platforms), ranked 28 of 245 hotels we score in Istanbul. Its platform ratings, normalised to 0-5, average 4.2 before correction: Booking.com 3.5, Tripadvisor 5.0, Google 4.3. Rooms from about $165 a night (cached, not a live quote).
Located in the Zeytinburnu district near the Sea of Marmara, Radisson Blu Ottomare is a contemporary hotel built in 2016. It serves business travellers and tourists who require proximity to the Zeytinburnu Railway Station. The property features a large swimming pool, a spa with a sauna and solarium, and a fitness centre. Guests can dine at the on-site restaurant or use the business centre and meeting rooms. Rooms offer views of either the gardens or the sea. While the hotel follows strict eco-friendly cleaning rules, some guest rooms are noted to be smaller than average. The site provides secure valet parking and various wellness services including massage treatments.
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