Glenarm Castle is a historic castle located in County Antrim, Northern Ireland. It dates back to the 17th century and is known for its stunning architecture and beautiful gardens. The castle is set on a picturesque estate overlooking the Irish Sea, making it a popular destination for visitors. The castle is still a private residence, owned by the McDonnell family, and is open to the public during certain times of the year. Visitors can explore the gardens, which feature a variety of plants and flowers, and enjoy scenic walks around the estate. Guided tours provide insight into the castle's rich history.