Guides by Lonely Planet
Four Seasons Istanbul at the Bosphorus
With its luxury-hotel setting, this spa has wow factor in spades, including a stunning indoor pool area, steam room, sauna and relaxation lounge. Facials and massages, from deep tissue to hot stone, are available and the gorgeous marble hamam is perfect if you're looking for an indulgent Turkish bath experience. The hamam and treatment packages include full access to the spa facilities.