While you are in port in belfast spend your time exploring the city on this city sightseeing hop on hop off shore excursion aboard a double decker bus see top belfast attractions on this comprehensive sightseeing tour such as the titanic dock and pumphouse st annes cathedral belfast botanic gardens albert clock and much more the open top buses allow you to enjoy full 360 degree panoramic views as you travel along your route simply hop on and off as many times as you like at any of 15 s