The ruins of the ancient temple situated on a tiny islet connected by a narrow walkway to the shore are especially beautiful during sunsets.
Wikipedia https://el.wikipedia.org/wiki/Ναός_του_Απόλλωνα_(Νάξος)
Address Αριάδνης, 84300, Greece
Coordinates 37°6'36.764" N 25°22'20.281" E