Where is the place of the story The Sea of Monsters?

The story "The Sea of Monsters" by Rick Riordan primarily takes place in the United States, particularly at Camp Half-Blood, a sanctuary for demigods located on Long Island, New York. The plot also unfolds in various mythical locations, including the Sea of Monsters, which is based on the Bermuda Triangle, and takes the characters on adventures through both contemporary and ancient settings influenced by Greek mythology. The journey involves traveling across the ocean and encountering various mythical creatures and challenges.