Meet a Professional Mermaid

Welcome to the official website of Mermaid Kat. Find the latest news concerning the underwater model. See her mermaid photos and watch her stunning underwater mermaid videos swimming alongside sea creatures such as manta rays, dolphins, whales, crocodiles and even tiger sharks.

Sweet Ocean Kisses from Mermaid Kat

Some Facts About the Professional Mermaid

With many years of hard training, qualifications and experiences in modeling, scuba diving and freediving, Mermaid Kat is now a successful and internationally working mermaid and underwater stunt model.

Pro Mermaid has the dream job

Working Worldwide

Mermaid Kat is based in Perth, Western Australia. As a German passport holder and permanent resident of Australia she is ready to travel worldwide for international underwater productions, projects and campaigns.

Get your mermaid tail at Mermaid Kat Shop

Visit the Mermaid Kat Shop

In April 2013 Mermaid Kat opened her own online mermaid shop. At Mermaid Kat Shop she sells professional and highly functional mermaid tails for children and adults.

Katrin Gray was Miss Germany International

Miss Germany International

Before Mermaid Kat turned into a real life mermaid she worked as an international fashion model. She was crowned “Miss Germany International 2006” and “Queen of the World Germany 2007”.

Katrin Gray is a fully trained Scuba Instructor

Qualifications and Training

Mermaid Kat is a fully trained PADI Scuba Diving and Freediving Instructor. Additionally she as a TDI certified Advanced Nitrox and Deco Procedures Tech Diver, as well as a certified IANTD Intro to Caves Diver.

Underwater Model swims with Crocodiles

Kat Swam with Tiger Sharks and Crocs

For the international anti shark finning campaign “Facing Grace” by Ocean Geograhic, Mermaid Kat swam with wild hammerhead and tiger sharks. She also swam with wild saltwater crocodiles.

Learn how to be a mermaid - join Mermaid Kat Academy in Perth

International Mermaid School

In August 2012 Mermaid Kat opened the world’s first public mermaid school. Now Mermaid Kat Academy has branches in Germany and Australia and offers international Mermaid Trips.

Become a Mermaid

This could be the mermaid adventure of your life! Imagine going somewhere new, meeting like minded people, learning new skills and improving old ones, connecting with nature, living in a luxury accomodation, having underwater photo shoots and building up your portfolio. And now imagine, having all that already organised for you. Wouldn’t that be mermazing? Yes it would! This is why we brought “Mermaid Week” into being. Join us for Mermaid Week Mexico 9th-16th May 2020 or Mermaid Week Maldives 5th-12th September 2020. We can’t wait to take you on this incredible adventure.

Mermaid Retreat Italy (11th – 18th September 2021)

Join our Mermaid Retreat in Italy. Awaken your inner mermaid or merman and discover the underwater world like never before. During our mermaid retreat you will learn new techniques and expand your portfolio with breathtaking underwater photos. Get to know like-minded people and explore Italy's island "Elba". Of course, our team offers you the help and support that you need. No matter if you are still a beginner or already a professional, nobody will miss out on the mermaid retreat in Italy. In addition to the diverse photo shoots, you will discover many sights on our tours. Of course, you...

Underwater Model and Mermaid Week Bali (15th-22nd April 2021)

Join our Underwater Model and Mermaid Week in Bali. Awaken your innermermaid or merman and discover the underwater world like never before. At the Underwater Model and Mermaid Week you will not only learn new techniques, but also expand your portfolio with breathtaking underwater photos. Get to know like-minded people, explore Bali and relax with a massage at the dream hotel Siddhartha. Of course, our team offers you as much help and support as needed. Regardless of whether you are a beginner or already a professional, everyone is welcome at Underwater Model and Mermaid Week Bali. In addition to the...

Mermaid Week Mexico 2020 – CANCELLED

Join Mermaid Week Mexico 2020 to connect with your inner mermaid, learn underwater techniques, build up your portfolio and become one with the underwater world. During this ultimate underwater adventure, you get to meet magical like-minded people and stay in a private luxury villa. Furthermore, you’ll receive training sessions with mermaiding and underwater modelling experts. Be fascinated by the beauty of nature and discover breath taking underwater cenotes. Learn about Mexico’s culture during our adventure tour and have mesmerising underwater photos taken of you. Besides our scheduled activities, there will be plenty of time to relax at the pool or...

Mermaid Week Maldives 2020

The Mermaid Week in the Maldives will be the ultimate adventure for all mermaids, mermen, underwater models and photographers. From total beginners to professional mermaids, underwater models and photographers, everyone is welcome at our Mermaid Week. We invite you to become one with the ocean. Learn underwater techniques and explore your inner mermaid or merman. Learn from professionals and get amazing underwater photos. What is the Mermaid Week? The Waterworld Mermaid Week is a 7-day adventure trip in the Maldives. Participants will practice mermaid swimming movements, breath hold techniques and underwater modelling skills. Afterwards they will get into the amazing...

There is more of Mermaid Kat

Katrin Gray is an underwater fashion model


See a list of Mermaid Kat’s credentials working as a professional mermaid and underwater model.

Interview with a Mermaid - Perth Now

Mermaid Videos

Watch some amazing videos of Mermaid Kat swimming in the ocean with manta rays, whale sharks, dolphins and even tiger sharks.

Mermaid Kat is an underwater stunt woman and underwater fashion model

Fashion Model

Katrin Gray is an underwater model and underwater stunt woman. See her photos here.

A mermaid on the news - Mermaid Kat from Perth makes waves in Asia


The international media regularly reports about the interesting work of Mermaid Kat. Check out a selection of the latest newspaper articles.

See the Underwater Model in Action

International Mermaid Model Above and Underwater

Open Ocean Shoots
Movies, TV and Film
Underwater Stunts
Fundraisers & Charities
School Educational Talks
Promotional Events & Premiers
Corporate & VIP Events
Trade Shows
Yacht and Sailboat Events
Beach and Pool Parties
On-Land Performances
Photo Booth at Parties
Weddings/ Receptions

Hire a Professional Mermaid

Mermaid Kat is based in Perth, Western Australia and looking forward to appear on private and public events. She is available to travel overseas. If you have any questions, please check out our FAQs.

For booking inquiries and fan emails please contact us via email:

Please note: As an environmentalist and ocean activist Mermaid Kat choses carefully which job offers she accepts. Kat doesn’t support facilities where animals are kept in captivity for no other reason than being objects of amusement to humans. She doesn’t accept offers that support or promote the hurting or killing of animals or destroying the environment.

Aquarium swims and similar jobs are possible if the event promotes a specific environmental cause, is hosted at a rehabilitation facility or the facility is generally involved with conservation programs.

Price quotes are given to the client per inquiry. Details such as location, set times, travel time, and services required will determine the total cost. Hotel and airfare must be paid for by client. Charity, school, fundraisers, environmental causes and other nonprofit companies may be eligible for discount services. Prices may vary depending on availability during high seasons and specific contract negotiations.

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