Big Bus Abu Dhabi Hop-On Hop-Off Tour Including Yas Island and Sky Tower. Explore the United Arab Emirates city of Abu Dhabi at your own pace, with a 24-hour hop-on hop-off bus ticket. The air-conditioned double-decker coach includes commentary in your choice of languages, providing background to Abu Dhabi's culture, history and modern-day architecture. With a free shuttle to the entertainment hub of Yas Island included, along with free entrance to the Sky Tower at Marina Mall, your hop-on hop-off ticket shows you the very best of Abu Dhabi. Book and Save 10% Off Big Bus Abu Dhabi Hop-On Hop-Off Tour Including Yas Island and Sky Tower.