Of all the car rental companies in Dun Laoghaire, you'll find multiple close to Oratory of The Sacred Heart. Why not grab your wheels from Sixt? It's about 3 kilometers from this major attraction. To find your perfect car rental on Expedia, just enter your travel dates and pick-up and drop-off locations and you'll be on your way! Remember to click on "Great Deal" to see the lowest prices for each rental category. Join Expedia Rewards (it's free!) and you'll be able to access exclusive member prices.