In Celtic mythology, the significance of the Selkie lies in its dual nature as a creature that can transform between seals and humans. Selkies are often depicted as enchanting beings, emphasizing themes of loss, longing, and the connection to the sea. Folklore tells tales of Selkies who are captured by humans, leading to tragic love stories and yearning for their true ocean home. The Selkie’s ability to shift between worlds symbolizes the tension between belonging and freedom, making them poignant figures within Celtic narratives.