The harbour was completed in 1859 and was originally intended as a harbour of refuge. Dun Laoghaire Marina itself opened for business on St Patrick's Day, 17th March, 2001. Over the years, they have grown in popularity and can now accommodate up to 820 boats, offering a warm and inviting atmosphere for sailors of all kinds. With a minimum depth of 4m at low water springs, the marina is accessible at all stages of the tide. They provide berths ranging from 6 to 30m plus in length to suit boats of various sizes.

Dun Laoghaire Marina is conveniently located just a short distance from Dublin City centre, Dun Laoghaire offers excellent transportation links. You can easily reach the city by train or bus, both of which have convenient stops right in front of the marina. If you're flying into Dublin, there is a direct coach transfer from Dun Laoghaire to the airport, taking just 45 minutes. For those looking to explore the area, local options for bicycle and car hire are readily available.

In Dun Laoghaire town you'll find everything you need to make your stay enjoyable and stress free. Within easy walking distance of the marina, there are two shopping centres with a variety of shops, as well as a chandlery, banks, pubs, restaurants, theatre and a multi screen cinema. Whether you're in search of supplies or entertainment, the town has you covered.