Batu Bolong is a tiny rock island in the strait between Tatawa and Komodo, definitely one of the very best Komodo has to offer. This area is undamaged because the current and topography (steep walls) makes it impossible for local fishermen to use their dynamite and cyanide fishing techniques.  It also means it can only be dived around slack-tide.   The dive starts right at the surface with colorful corals along with other invertebrates and thousands of small colorful fish. In deeper water along the steep walls, many large fish including sharks, mantas, napoleon wrasses, giant trevallies, dogtooth tunas, and large schools of rainbow runners will greet you.