Welcome at Mermaid Kat Shop

Check out our Mermaid World

  • Fabric Mermaid Tails (with Monofin)
    Purple Mermaid Costume for swimming
    Regular price
    from $149.00
    Sale price
    from $149.00
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  • Mermaid Tail Sets (Monofin, Bikini and Tail Skin)
    Regular price
    from $169.00
    Sale price
    from $169.00
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    per 
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  • Mermaid Monofin - Mermaid Kat Hydra
    Regular price
    $95.00
    Sale price
    $95.00
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  • Mermaid Tail Skin (No Monofin)
    Regular price
    from $79.00
    Sale price
    from $79.00
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    per 
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  • Silicone Tails for Mermaids and Mermen - Custom made!!!
    Silicone mermaid tails for swimming - German Tail Maker
    Regular price
    $1,950.00
    Sale price
    $1,950.00
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    per 
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  • Silicone Mermaid Top
    Regular price
    $235.00
    Sale price
    $235.00
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  • Scales-Leggings and matching Top
    Mermaid scales-leggings and top
    Regular price
    from $19.99
    Sale price
    from $19.99
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  • Princess Mermaid Tail Sets (Tail Skin, Monofin & Bikini)
    Regular price
    from $189.00
    Sale price
    from $189.00
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    per 
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  • Swimsuit with a Scale Pattern and Long Sleeves
    Swimsuit with a Scale Pattern and Long Sleeves
    Regular price
    $34.99
    Sale price
    $34.99
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    per 
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  • Mermaid Mono Fin - Mermaid Kat Triton
    Regular price
    $85.00
    Sale price
    $85.00
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    per 
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  • Take-Away Silicone Mermaid Tail - Custom made!!!
    Professional Mermaid Tails - Handmade for Swimming
    Regular price
    $1,850.00
    Sale price
    $1,850.00
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    per 
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  • Self Sticking Mermaid Bra
    Regular price
    $220.00
    Sale price
    $220.00
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    per 
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  • Mermaid-Leggings for Kids
    Mermaid-Leggings for Kids - Mermaid Kat Shop
    Regular price
    $29.99
    Sale price
    $29.99
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    per 
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  • Mermaid Bag
    Regular price
    $12.99
    Sale price
    $12.99
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    per 
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  • Mermaid-Swimsuit
    Mermaid-Swimsuit for Kids
    Regular price
    $24.99
    Sale price
    $24.99
    Regular price
    Unit price
    per 
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Silicone Tails

  • Silicone Tails for Mermaids and Mermen - Custom made!!!
    Silicone mermaid tails for swimming - German Tail Maker
    Regular price
    $1,950.00
    Sale price
    $1,950.00
    Regular price
    Unit price
    per 
    Sold out
  • Take-Away Silicone Mermaid Tail - Custom made!!!
    Professional Mermaid Tails - Handmade for Swimming
    Regular price
    $1,850.00
    Sale price
    $1,850.00
    Regular price
    Unit price
    per 
    Sold out

Mermaid Dreams

Become a real life mermaid or mermen!

International Mermaid Retreats

As Seen on

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Who is Mermaid Kat?

Katrin Gray, aka Mermaid Kat, is a professional mermaid, scuba instructor, freediver and underwater stuntwoman. In her twenties, the former beauty queen from Germany turned her childhood dream into reality and became a mermaid performer. As an ocean activist she swims with marine life such as dolphins, whales, rays, sharks and even crocodiles.

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Mermaid Tail Collections

We make your mermaid dreams turn into reality. Become an enchanting mermaid or mythical merman. With our mermaid tails you can now discover the underwater world like never before. If you can dream it, you can do it - and we will help you! Helping you to make your dreams come to life is what we live for. Check out our mermaid tail collections.

Check out our Tails

Quality, Safety & Experience

Here at Mermaid Kat Shop, we are water professionals such as scuba diving instructors, freedivers, engineers and underwater stunt performers. With the combination of our skillsets and experience, we were able to develop highly functional and efficient mermaid tails and monofins. Mermaiding is now accessible and safe for all experienced swimmers worldwide.

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Come and Visit our Shop in Germany

We are located at: Jaegerstrasse 10, 31249 Hohenhameln