Passionate about the sustainability of corals.

Leading our industry

Ultra Coral Australia Pty Ltd (UCA) is a company based out of Mackay, north Queensland Australia. We are very passionate about ensuring the long-term health of the Great Barrier Reef and corals everywhere. Our staff and company protocols are focussed on providing our clients with an ethical and sustainable source of premium Australian Corals. Our vision is to provide our industry with a 100% aquacultured source of premium Corals.

The Great Barrier Reef is our Patch...

... marine logistics our speciality.

Meet the team

Ultra Coral maintains in-house core competencies in marine logistics, vessel handling, diving, animal husbandry, marine science, management, marketing and transport logistics. We also maintain an extensive network of consultants and contractors to ensure we can scale to meet the needs of client projects.


Nic Dos Santos

Managing Director of Ultra Coral Australia Pty Ltd, has over 25 years of experience diving most areas of the Great Barrier Reef using SSBA. Nic...

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Chief Executive Officer

Aaron Sellentin

As the CEO of Ultra Coral, Aaron Sellentin oversees the strategic direction of the business and manages day to day business operations. Aaron joined Ultra...

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Chief Financial Officer

Michael Harris

Chief Financial Officer of Ultra Coral Australia Pty Ltd, a qualified accountant and will oversee all commercial aspects of the project. Michael will ensure the...

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Executive Assistant

Ivy Dos Santos

Ivy is a co-owner supporting the executive team with project development and coordination. Ivy brings 15+ years of Finance broking business management, holds a HR...

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Lead Scientist

Dr Ciemon Caballes

Dr. Caballes is the Principal Research Scientist for UCA’s Research and Development Department. Concurrently, he is also an Adjunct Research Fellow at the ARC Centre...

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HR Manager

Barbara Lester

Barbra’s goal is to empower our teams and make them more effective at their jobs. Ensuring we as a team are emotionally and mentally fit....

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Facility Manager

Ryan Thompson

For the last decade Ryan has been employed in the Aquarium industry. Working with public aquariums learning about a variety of marine life, specialising in...

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Strategic Planner / Aquarist

Yoshi Fujisawa

Yoshi’s love for coral began in 2015 and he is now the proud owner of a 130 gallon reef aquarium. He has experience in keeping...

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Contact Us

Ultra Coral Australia Pty Ltd

46-50 Elvin St., Paget QLD 4740 Australia

Send Us a Message