Tour description provided by Viator

Enjoy free access to more than 25 top Dublin attractions for one great-value price with the Dublin Pass. Get complimentary entry to the famous Guinness Storehouse, Dublin Zoo, Dalkey Castle and other visitor draws and landmarks, and enjoy convenient skip-the-line access to select attractions. Sightsee at your leisure with your free 24-hour hop-on hop-off bus tour. Catch generous discounts at select shops, restaurants and more. Choose from 1-, 2-, 3-, 4- 5- or 6-day validity and, armed with your pass, enjoy the freedom to create own itinerary, helped by your complimentary Dublin guidebook.

Select a 1-, 2-, 3-,4- 5- or 6-day Dublin Pass when you book. Then, download your pass and use directly from your mobile device! Your pass is valid for your choice of consecutive calendar days and offers free access to more than 25 top Dublin visitor attractions, including skip-the-line entry to select landmarks, as well as host of other privileges and special offers. Among other benefits, enjoy free entry to the Guinness Storehouse, a temple to Ireland’s famous beer that features a seventh-floor bar with uninterrupted city views. Plus, use your pass to explore Christ Church Cathedral, the oldest building in Dublin and a gem of Medieval architecture, tour Dalkey Castle, and much, much more. Most featured attractions are within walking distance or easy access of the city center (see the Itinerary for a full list). As well as free entry to a long list of attractions, your Dublin Pass also offers: Skip-the-Line Entry: 
Simply show your Dublin Pass at the entrance to select attractions and enjoy skip-the-line access, bypassing the main lines to save you hassle and give you more time to explore inside! Special Offers: 
Enjoy a host of money-saving offers and discounts at select Dublin shops, restaurants, theaters, entertainment venues, tours and more, including a free whiskey tasting and complimentary whiskey glass when you spend 50 Euro or more at Dublin's Celtic Whiskey Shop.