10 Lesser known castles in Ireland

Thousands of years of history are etched into the landscape of Ireland and told through the castles, fortresses and monastic sites that greet the traveller around every bend. Some lie in ruins, others stand intact even after centuries, and all have a story to tell. Here are some of the lesser-known ones that are waiting to be explored.

1. Roscommon Castle

Nestled in County Roscommon, Roscommon Castle was constructed in 1269 by Robert de Ufford, the Justiciar of Ireland. This quadrangular castle witnessed numerous sieges and changes in ownership. Today, its ruins are enveloped by a picturesque park, featuring a tranquil lake, children’s playground, and scenic walking paths, making it a perfect spot for history enthusiasts and families alike.

2. Luttrellstown Castle

Located on the outskirts of Dublin, Luttrellstown Castle dates back to the early 15th century. Originally owned by the Luttrell family for over 600 years, the castle has hosted numerous dignitaries, including Queen Victoria in 1844 and 1900. In more recent times, it gained fame as the wedding venue for David and Victoria Beckham. Today, it operates as a luxury resort, offering visitors a chance to experience regal opulence.

3. Castlewellan Castle

Situated in County Down, Castlewellan Castle is a stunning example of Scottish baronial architecture. Built between 1856 and 1858 by the 4th Earl Annesley, the castle is set within a vast forest park covering approximately 1,140 acres. Visitors can explore the Peace Maze, one of the world’s largest permanent hedge mazes, and the National Arboretum of Northern Ireland, which dates back to 1740.

4. Castle Roche

Perched in County Louth, Castle Roche was constructed in 1236 by Lady Rohesia de Verdun. Legend has it that Lady Rohesia offered her hand in marriage to the architect who could build the strongest castle. Upon completion, she allegedly had her new husband thrown from a window, now ominously known as the “Murder Window,” to ensure the castle’s secrets remained her own. Today, the castle ruins offer panoramic views of the surrounding countryside.

5. Clifden Castle

Overlooking Clifden Bay in County Galway, Clifden Castle was built in 1818 by John D’Arcy, the town’s founder. Designed in the Gothic Revival style, the castle once stood as a symbol of prosperity. However, after changing ownership multiple times, it fell into ruin by the late 19th century. Visitors can access the castle via a scenic walking trail adorned with standing stones, offering a glimpse into its storied past.

6. Grianán of Aileach

While not a castle in the traditional sense, Grianán of Aileach in County Donegal is a stone fort dating back to the 6th or 7th century. Perched atop a hill, it offers breathtaking views of the surrounding landscape. Steeped in mythology and history, it’s believed to have been the seat of the Kingdom of Aileach and holds significant cultural importance.

7. Doe Castle

Nestled on a small peninsula in Sheephaven Bay, County Donegal, Doe Castle served as the stronghold of the MacSweeney clan for over 200 years. Surrounded by water on three sides and a moat on the landward side, its natural defenses are impressive. The castle’s well-preserved state allows visitors to envision life during its occupancy, and guided tours provide deeper insights into its history.

8. Ballycarbery Castle

Located near Cahersiveen in County Kerry, Ballycarbery Castle dates back to the 15th century. Once a majestic stronghold, it now stands in picturesque ruins, with ivy-clad walls overlooking the Atlantic Ocean. Its remote location and romantic decay make it a favorite among photographers and history buffs seeking solitude away from crowded tourist spots.

9. Ballinalacken Castle

Situated in County Clare, Ballinalacken Castle offers panoramic views of the Aran Islands and the Cliffs of Moher. Built in the 15th century, it served as a stronghold for the O’Brien clan. While the castle itself is not open to the public, the adjacent Ballinalacken Castle Country House Hotel offers guests a chance to stay in close proximity and soak in the historic ambiance.

10. Doonagore Castle

Perched on a hill above the charming village of Doolin in County Clare, Doonagore Castle is a 16th-century tower house with breathtaking views of the Atlantic Ocean and the Aran Islands. Originally built by the O’Brien clan, this cylindrical stone tower with a surroundingdefensive wall stands as one of Ireland’s most picturesque yet lesser-known castles.

Although privately owned and not open to the public, the castle remains an iconic landmark along the Wild Atlantic Way. Its history is both fascinating and grim—after a shipwreck in 1588, 170 Spanish Armada sailors were captured near Doolin and executed at the castle by order of the High Sheriff of Clare.

For visitors, the best way to experience Doonagore Castle is from the surrounding countryside, where walking trails offer stunning panoramic views of the rugged coastline. If you’re exploring the Cliffs of Moher or taking a ferry to the Aran Islands, a stop to admire this castle is well worth it.

Exploring these lesser-known castles provides a unique opportunity to delve into Ireland’s rich tapestry of history, away from the typical tourist trails. Each site offers its own story, waiting to be discovered by the intrepid traveler.