Freedive Aotearoa

Meet the Crew

The people behind the breath. Every course, every expedition, every session in the studio — built on a lifetime in the ocean.

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Sacha Williamson
Founder & SSI Instructor Trainer
SSI Freediving Instructor TrainerNZ's First Female IT25+ Years Professional DivingXPT Performance Breathing Coach
When you've spent 25 years teaching people to go into an environment where you cannot breathe, your relationship with breath gets interesting.
Before This

Way before any of this, I was one of the first women in all of Australasia to work as a commercial diver — building things underwater for a company called Undersea Construction. Chain links the size of your body. Ten-tonne mooring blocks. You learn very fast: you've got to think smarter, not harder.

From there, the work kept coming — through AusAID, the United Nations, the Department of Conservation, NIWA. I've been lucky to travel to some of the most incredible dive sites globally, reaching over 45 countries by boat. Scientific research in the sub-Antarctic. Operations on remote islands with almost no infrastructure. Seasons on superyachts in places that don't appear on tourist maps.

My father was an incredible captain, diver, and adventurer — the kind of man National Geographic would hire to take them to Antarctica. He never once told me I couldn't do something. Never mentioned I was a girl. If there was a job to be done, all hands on deck.

"I've seen seas so savage they turn brave men into cowards, and boats cry and groan like living things. I've outrun pirates. I've dived some of the most magical places on earth — remote spots with creatures so extraordinary they don't feel real."
Coming Home

The last time I was on Nauru, I was four months pregnant with my eldest daughter. And that was it. The insurance wouldn't cover me. The lifestyle didn't suit. I lost my career the moment I became a mother.

But something else grew in its place. A softness. A slowness. A femininity I hadn't had room for before. Commercial diving is machinery, noise, equipment, brute force. Freediving is one breath. Stillness. Going inward. It matched who I was becoming.

When my eldest two girls were three and four, I took them to Indonesia and started teaching freediving. These two worlds — motherhood and the ocean — were the first things in my life that could live harmoniously together. I didn't have to choose.

"The hard skills got me here. But freediving — that was coming home."
What I Built

Everything I've learned — from commercial diving, from the Pacific, from 25 years of teaching — I've poured into one place. Freedive Aotearoa, right here in the Bay of Islands.

I'm one of only two SSI Freediving Instructor Trainers in New Zealand — and the first woman to hold that qualification. I run internationally recognised courses from your very first breath-hold through to instructor level. I also teach mermaid courses — yes, the tail is involved — which is how a lot of people, especially young women and kids, find their way to the ocean for the first time.

The ocean doesn't care what you're wearing. The breath is the same. The calm is the same.

How I Operate

After seeing 45 countries, I chose the Bay of Islands. Not Auckland. Not Queenstown. Here — because the ocean here demanded it. Every expedition through our Signature Series has been chosen the same way: from a lifetime of searching, not a brochure.

Wherever I go, I go local. I work with operators I've known for years — often a decade or more. When in Northland, do as the Northlanders do. When in Niue, do as the Niueans do.

I live ten minutes outside town, grow vegetables, fish from the rocks, and am raising three daughters who know the ocean the way other kids know playgrounds.

If you dive with Freedive Aotearoa, you're diving with the person who built it. And she's been building towards this her whole life.