Sure can — and booking one of our Ballymun vacation packages is the perfect way to do this. Bundle any combination of a car, hotel, flight and experience and score awesome discounts. The more you book, the more you save. There are plenty of big-name sights in and around Ballymun to put on your must-see list, including Titanic Belfast (85 mi from Ballymun). Nothing beats discovering places like this with the freedom of your own rental car.