I've gone scuba in Thailand which is pretty amazing. Although Hawaii/Maui couldn't hope to compete, the guys at B&B were a lot of fun. They made my siblings all feel welcome, many of whom were doing scuba for the first time. We saw morays, heard whales, and watched shrimp crawl in our instructor's mouth! Molokini (sp???) Crater was really neat. Turtles were also in abundance. At various points we also saw white-tipped reef sharks sleeping in their caves.
One thing they did better was make us get up at a god-awful hour. At first I was a tad annoyed, but it was more than worth it. Molokini crater was empty and I have it on good authority that it is usually crawling with hundreds to thousands of divers and snorkelers.
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