Panteli is a tiny fishing village on the Greek Island of Leros. Panteli beach is most popular among locals in Agia Marina and surrounding villages. Visit the Castle of Panteli, a medieval fortress overlooking the capital of Leros with stunning views of the Aegen sea. The castle houses the Church of the Panagia, an important religious destination of the island. The castle is the site of the annual procession in honor of the Virgin Mary. The 17th-century church is built in Byzantine style and has ornate interiors.