Percy Jackson, Sea of Monsters

Cyclop's Island, though never named in the text, is the island where the cyclop, Polyphemus, lives in a cave.

Grover turned back to me. “You have to help me! No time! I’m stuck in this cave. On an island in the sea.”

“Where?”

“I don’t know exactly! I went to Florida and turned left.”

“What? How did you—”

“It’s a trap!” Grover said. “It’s the reason no satyr has ever returned from this quest. He’s a shepherd, Percy! And he has it. Its nature magic is so powerful it smells just like the great god Pan! The satyrs come here thinking they’ve found Pan, and they get trapped and eaten by Polyphemus!”