In the vibrant Grassmarket area, this stylish hotel has a sauna, a pool, a gym and free Wi-Fi. Princes Street and the castle are nearby. The Japanese-inspired leisure facilities at Apex International Hotel includeTechnogym fitness equipment and an ozone pool. Awarded 2 AA rosettes, the hotel's rooftop restaurant serves imaginative cuisine, with striking castle views (booking is necessary). Each luxurious room has a widescreen TV and a power shower. There is 24-hour room service.