Innisfallen Island is a small island located in Lough Leane, the largest of the three lakes in the Killarney National Park in County Kerry, Ireland. The island is known for its scenic beauty and rich history, featuring lush greenery and stunning views of the surrounding landscape. The island is home to the ruins of an ancient monastery founded in the 7th century by St. Finian. Visitors can explore the remains of the monastery, including a round tower and several stone structures, which reflect the island's historical significance and its role in early Christian Ireland.