The frazione of Porto Cervo is the main resort area of Costa Smeralda for summer tourism, which has replaced agriculture as the local main economical source starting from the 1960s.
Polisportiva Arzachena is an Italian association football club located in Arzachena, Sardinia.
Sant'Antonio di Gallura borders the following municipalities: Arzachena, Calangianus, Luras, Olbia, Telti.