Which answer matches this clue: the 15 August palio on the water in the fishing village of Porto Santo Stefano with rowing boats representing the historic rioni?

• A Palio Marinaro dell'Argentario ✓
• B Regata Storica
• C Palio del Mare
• D Palio di San Ranieri

The Palio Marinaro dell'Argentario features four rioni racing traditional wooden gozzi; it culminates the Ferragosto celebrations on the Tuscan coast.