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Custom Swimmable Mermaid Tails with Monofin - Sirens of the Deep Lionfish

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Categories: Mermaid Tail, Dark Gothic, Featured



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MermaidAqua Tail is a specially designed piece with an intention to meet your specifications; starting from the sizing down to the design.

Hi there! I’m Emma, and I embarked on this project to design an amazing practical mermaid tail for swimming purposes. The fabric will be colored to resemble a beautiful, mysterious creature but will still retain a realistic fish look. This tail will serve as costumes for performances, swimming, and other events.

Our talented designers carefully drafted these new styles with the scales made to have 3D textural designs. The fins were perfectly designed while keeping in mind real fish and mermaids fins(hip fin, heel fin, dorsal fin). The patterns are more amazing when wet and thereby giving that dazzling and sparkling appearance like a mermaid.


I so much cherish the nice-looking silicone tail for its wonderful design and realistic appearance. However, some people see it as costly, weighty and somewhat bulky for their liking.

So I took it upon myself to craft a piece that retains those amazing aspects of mermaid tail while reducing the general cost using a vibrantly printed fabric instead of the silicone tail. 


It is made with unique swimsuit fabric with a perfect color combination, durable and stretchable enough to allow great mobility in all direction. The tail is washing machine friendly. Use cold water preferably, and spread flat to dry.

Note: The fabric does not fade, or change color. Always endeavor not allow it come in contact with hot water or rough surfaces.

Mermaid Tail Under Water:


We have all designs of mermaid available. We don’t do mass production of our monofin.  It is a carefully tailor-made monofin with different kind of shapes. Most times, the length of monofin is about the same length of legs, so they usually don’t fit well in the standard shipping boxes.   

mermaidaqua monofin


(Always endeavor to send us your measurements upon check)

Please enter the following measurements below in Inches:

1. Around the Waist (2" below belly button)

2. Around the Hips (widest part)

3. Full Length (From waist to ankle bone; starting 2" below belly button)

4. Shoe Size

The more accurate the measurements you provide, the better your tail will fit.



  1. Pick our designs from the website. New tail design will be created every week.
  2. Or maybe we can recreate your wildest dreams and turn them into reality. Submit your design to my email:


Putting safety into consideration, elastic band is used instead to replace adjustable rubber belt of flippers. This design makes it possible to remove foot in emergency situations easily.

This is because the monofins are made of rubber flipper material and not fabric. I suggest you wear socks to prevent blisters.

FREE WATER SAFETY INFLATABLE GIFT (Advisable to used by confident swimmers only).

inflatable floatation

The inflatable floatation device can provide the needed buoyancy, reduces drowning deaths and improves water safety.  However, it is not a life-saving device when the wearer loses consciousness.  Always check to ensure the device is properly fixed and in good condition before use.

DISCLAIMER: Mermaid tails should only be used under close watch and thorough supervision of an adult. Do not use where water is very deep. All users of this product assume risks associated from its use. Whether proximate or remote, there may be a risk of injury. Neither seller nor manufacturer of this product assumes any liability.

Size guide for mermaidaqua tail

Shoes Size

US SizesEuro SizesUK SizesJapan SizesChineseInchesCM
5 36 3.5 22 34 8.5" 21.6
5.5 36.5 4 22.5 35 8.75" 22.2
6 37 4.5 23 36 8.875" 22.5
6.5 37.5 5 23.5 37 9.0625" 23
7 38 5.5 24 38 9.25" 23.5
7.5 38.5 6 24.5 38.5 9.375" 23.8
8 39 6.5 25 39 9.5" 24.1
8.5 39.5 7 25.5 40 9.6875" 24.6
9 40 7.5 26 41 9.875" 25.1
9.5 40.5 8 26.5 42 10" 25.4
10 41 8.5 27 43 10.1875" 25.9
10.5 41.5 9 28 44 10.3125" 26.2
11 42 9.5 28.5 44.5 10.5" 26.7
11.5 42.5 10 29 45 10.6875" 27.1
12 43 10.5 29.5 46 10.875" 27.6

Mermaidaqua ships to all 50 states, APO/FPO addresses, U.S. territories and possessions and over 200+ countries. 


Below is a list of estimated shipping times:


Standard: Please allow 7-15 business days. Flat rate $15.


DHL: Please allow 3-4 business days. Rates vary based on weight.


FREE Shipping on orders over $200. 



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*All original designs and photographs which are created by Mermaidaqua are unacceptable for commercial use without permission.