Visitors to Hawaii constantly get to experience the thrill of discovery; a beautiful flower, a breathtaking view, or a secret beach can feel as though it belongs to you alone. But when it comes to hotels, it's hard to find a refuge that hasn't already been discovered by the teeming hordes. While staying in more than 100 Hawaii hotels, however, Oyster reporters came across a good handful of properties that remain underappreciated -- where guests can feel like they've found someplace special.