Buy Do Dublin vouchers for deals on Do Dublin Hop-On Hop-Off Sightseeing Dublin Bus Tour - Valid 7 Days a Week!. Discover the best of Dublin with a Do Dublin hop-on hop-off bus tour ticket. With 31 stops at Dublin's historic and cultural highlights for you to enjoy. Ticket is valid for 48 hours - make the most of your time in this stunning city! Enjoy an entertaining live commentary from experienced and knowledgeable Fáilte Ireland-trained guides. Join anywhere along the route at the distinctive hop-on hop-off stops. Valid from 9am seven days a week, running every 10-15 minutes (30-minutes for multi-lingual buses).