Sheraton Istanbul Atakoy Hotel features a marina and puts you within a 10-minute walk of Ataköy Marina. You can visit the spa to be pampered with massages, body wraps, or mani/pedis, and Cookbook, one of 2 restaurants, serves breakfast. Other highlights at this luxurious hotel include an indoor pool, a poolside bar, and a health club. Fellow travelers say great things about the helpful staff.