num_pages: 160
description: The Hardy boys' vacation on Maui turns into a dangerous hunt for stolen jewels when a dolphin at the Nai'a Bay research center is injured, and one of the scientists disappears
language: English
title: The Treasure at Dolphin Bay
titlecomplete: The Treasure at Dolphin Bay (Hardy Boys, #129)
genres: Childrens, Classics, Mystery
ratings_count: 88
series: The Hardy Boys
publisher: Aladdin