Customers highly praise Lord Howe Environmental Tours for their knowledgeable and passionate guides, particularly Kayla and Dean. They offer a variety of tours including Mt. Gower climbs, snorkeling trips, and equipment hire. Customers appreciate the company's efficiency and going the extra mile, such as retrieving a lost camera. The tours are described as professionally run, with clear instructions and a focus on safety. The snorkeling experiences are particularly noteworthy, offering unique encounters with diverse marine life.