Dive safe: Nonprofit FreediveSafe Hawaii holds safety program in Kona

Students are all smiles beneath the surface of Kailua Bay on Saturday. (Courtesy Photo/West Hawaii Today)

Heidi Hoover and Sandra Hammel simulate meeting a diving buddy at depth on Saturday in Kailua Bay. (Courtesy Photo/West Hawaii Today)

Martin Stepanek addresses a classroom of students Saturday morning at FreediveSafe! Hawaii’s Basic Freediving Safety Program. (Tom Linder/West Hawaii Today)

Freediving Instructors International (F.I.I.) certified instructors Heidi Hoover and Sandra Hammel lead a group of students in the water at Kailua Bay. (Tom Linder/West Hawaii Today

It’s tough to find a better freediver on this planet than Martin Stepanek.