The Marine Park is splendid with colourful corals. Look out for turtles and various nudibranches.
At the other outlying dive sites, there are many beautiful swim-throughs. Moray eels and groupers are common. There are also several wrecks that attract schools of barracudas.
Tioman Reef Divers have well-maintained dive equipment, good air, and very experienced and professional dive masters. Contact Reeno or Akemi at reeno@tm.net.my, or see www.tiomanreefdivers.com.