The context clue is that the pirates buried their treasure on Gardiners island.
It should be noted that context clues are the hints that are provided by the author in a literary work or story.
Context cues are hints that a reader might utilize to decipher the meanings of new or unfamiliar words that are contained inside a sentence, paragraph, or passage. Synonyms, antonyms, word structure hints, parallels (such metaphors and similes), and contrasts can also serve as context clues.
In this case, the context clue is that the pirates buried their treasure on Gardiners island. This was close to Long Island.
Learn more about context clues on:
brainly.com/question/11247029
#SPJ1