Training Center
If this sounds like you, you’re in the right place
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You’ve taken a course, but feel like you’ve plateaued
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You struggle with relaxation, equalization, or mental blocks
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You feel more tense than you want to in the water
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You want more than just technique—you want confidence
You’re not alone—and this is exactly what we help with.
Our Courses


One Day Adventures


About Osa Freedivers
Osa Freedivers was founded by Ruben, a Puerto Rican freediver, Air Force veteran, and competitive athlete who discovered freediving in the waters off Hawaii and never looked back. A professional instructor since 2018 and holder of 9 Puerto Rican national freediving records, he chose the Golfo Dulce for one reason above all others: there is nowhere quite like it. Protected, calm, and teeming with life — whales, whale sharks, hammerheads, and some of the most accessible deep water on the planet — it's a place that feels made for freediving. Ruben teaches the way he dives: with patience, warmth, and a deep love for the sea.








