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Black Onyx Plunge + Spa co BORN IN THE NORTHERN BEACHES EXPLORE OUR SPAS Infrared Sauna Experience YOUR BLACK ONYX PLUNGE + SPA CO make an appointment Luxury Spa's VIEW OUR RANGE OF EXPLORE OUR SPA'S

Welcome To

Black Onyx Plunge + Spa co
Slip into your new Black Onyx Plunge Pool or Jacuzzi designed and assembled on Sydneys Northern Beaches by a wholly owned Australian Company.
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explore our spas

Our Sauna Packages

More for Less
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Single Session
Bring a friend for free
$50
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5 Pack
5 sessions, $43 per session
$215
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Testimonials

What People Say

Had an amazing spa after my infrared sauna. Such an amazing design, never seen anything like it before!

Miracle Zoe

Terrific hot tub designs – so classy. Love the feel of the western red cedar seating! Looking forward ours arriving next month!

Michelle Nederlof