Question

"OFF THERE to the right--somewhere--is a large island," 2.said Whitney." It's rather a mystery--"

Answer 1

1. Off there to the right — somewhere”
2. “It’s rather a Mystery”
4. “The old charts call it” Ship-Trap Island.”
5. “Suggestive name isn’t it? Sailors have a curious dread of the place.”
6. “I don’t know why some superstition….”

All imply a sense of dread,mystery, foreboding, danger and or “spooky” superstition.

Foreshadowing danger if one were to venture there.