Ballybunion Castle is a historic ruin located in Ballybunion, County Kerry, Ireland. It dates back to the 15th century and was built by the McMahon family. The castle overlooks the Atlantic Ocean and is known for its stunning coastal views and strategic position. The structure features a rectangular layout with thick stone walls and a central courtyard. Although it is now in ruins, visitors can explore the remnants and enjoy the surrounding landscape. Ballybunion Castle is a popular site for tourists interested in Irish history and medieval architecture.