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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  • Mermaid Tail Skin (No Monofin)
    Regular price
    from $79.00
    Sale price
    from $79.00
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  • Mermaid Monofin - Mermaid Kat Hydra
    Regular price
    $95.00
    Sale price
    $95.00
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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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  • Scales-Leggings and matching Top
    Mermaid scales-leggings and top
    Regular price
    from $19.99
    Sale price
    from $19.99
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  • Silicone Tails for Mermaids and Mermen - Custom made!!!
    Realistic mermaid tail - Silicone mermaid tail
    Regular price
    $1,900.00
    Sale price
    $1,900.00
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  • Mermaid Mono Fin - Mermaid Kat Triton
    Regular price
    $85.00
    Sale price
    $85.00
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  • Silicone Mermaid Top
    Regular price
    $235.00
    Sale price
    $235.00
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  • Mermaid Makeup Brush Set
    Mermaid Makeup Brush Set - Green
    Regular price
    $19.99
    Sale price
    $19.99
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  • Video Message from a Mermaid
    Regular price
    $39.99
    Sale price
    $39.99
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  • Top for Mermen
    Silicone Top for Mermen
    Regular price
    $525.00
    Sale price
    $525.00
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  • Princess Mermaid Tail Skin & Bikini (No Monofin)
    Regular price
    from $95.00
    Sale price
    from $95.00
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  • Self Sticking Mermaid Bra
    Regular price
    $220.00
    Sale price
    $220.00
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  • Corset Silicone Mermaid Top
    Regular price
    $435.00
    Sale price
    $435.00
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Mermaid Dreams

Become a real life mermaid or mermen!

Find out More

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 activis 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 a beautiful mermaid or handsome mermaid. 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 Tails

Quality, Safety & Experiences

Here at Mermaid Kat Shop we are water professionals such as scuba diving instructors, freedivers, engineers and underwater stunt women. With the combination of our skillsets and experiences, we were able to develop highly functional and safe mermaid tails and monofins. These make mermaiding now accessible and safe for all experienced swimmers.

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Pre-Made and Used Silicone Tails

  • Pre-owned Silicone Mermaid Tail with Top and extra Fins
    Pre-owned Silicone Mermaid Tail with extra Fins in Orange
    Regular price
    $2,399.00
    Sale price
    $2,399.00
    Regular price
    $2,595.00
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  • Used Silicone Mermaid Tail with Top
    Used Silicone Mermaid Tail with Top - Second hand tail
    Regular price
    $2,899.00
    Sale price
    $2,899.00
    Regular price
    $3,250.00
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  • Second Hand Silicone Mermaid Tail with Top and extra Fins
    Second Hand Silicone Mermaid Tail with Top
    Regular price
    $2,999.00
    Sale price
    $2,999.00
    Regular price
    $3,270.00
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