Walter Steyn is an Australian competitive free-diver

Free-diving

Freediving is any of various aquatic activities that share the practice of breath-hold underwater diving. Examples include breathhold spear fishing, freedive photography, apnea competitions and, to a degree, snorkeling...

, free-diving judge and freediving instructor. He has set 33 Australian national free-diving records and currently holds six.

Records

Steyn's current national records (world ranking bracketed) are:

• 106 m (Constant Weight), 16 April 2011 at the Vertical Blue 2011 Competition at Dean's Blue Hole
  Dean's Blue Hole
  Dean's Blue Hole is the world's deepest known blue hole with seawater. It plunges in a bay west of Clarence Town on Long Island, Bahamas.-History:The full depth of the cave was reached by Jim King in 1992....
  
  , Bahamas;
• 215 m (Dynamic With Fins), 15 August 2009 at the Ian Thorpe Aquatic centre, Sydney;
• 175 m (Dynamic No Fins), 14 August 2008 at the Wellington Winter Championships;
• 74 m (Constant weight no fins), 14 April 2011 at the Vertical Blue 2011 Competition at Dean's Blue Hole
  Dean's Blue Hole
  Dean's Blue Hole is the world's deepest known blue hole with seawater. It plunges in a bay west of Clarence Town on Long Island, Bahamas.-History:The full depth of the cave was reached by Jim King in 1992....
  
  , Bahamas;
• 8:01 (Static), 6 May 2011 at Kona, Hawaii USA;

Activities

Steyn is an AIDA accredited freediving judge and has judged several international competitions and world record attempts.