Rainbow Fish Mermaid Tail

100% of 100
Size Chart
On all orders $50 or more.
Continental U.S. Only

Transform into a colorful mermaid inspired by The Rainbow Fish with our Limited Edition mermaid tail based on the classic children’s book, featuring an ocean of colors and stunning sequin-print scales!

a rainbow fish mermaid tail like the one from the childrens book a rainbow fish mermaid tail with a monofin like the one from the childrens book a rainbow fish mermaid tail without the monofin a young girl wears a silver blue purple and pink mermaid tail on a beach a young girl swims in her rainbow fish mermaid tail
a rainbow fish mermaid tail like the one from the childrens book
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Limited Edition Mermaid Tails

Mermaid Tail Warranty

Reinforced Tip Technology

New patented technology adds armor to your mermaid tail tips. Swimmable Tails include 90-Day Tail Tip Warranty!

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Lightweight Comfort

Adapts and flexes to your body shape. Open bottom ensures air isn’t trapped inside.

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Easy-Care Fabric

Premium swimsuit material is fade-resistant, machine washable, and line dries quickly.

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Shiny Foil Finish

An extra layer of shimmery dots or sparkles coats all Limited Edition tail designs.

mermaid tail drops

Dozens of dazzling designs flow throughout Fin Fun’s Limited Edition collection. Whether you seek vibrant shades of the rainbow or subtle, yet stunning hues—we’ve got a look to suit every mood! Each Limited Edition tail features an extra layer of shimmer that sparkles and shines whether you’re sunning in style or swimming through the sea! Let your personality shine through with our exclusive fabric tails that stretch four ways for a comfortable swim and resist fading from elements of the sun, chlorine, and salt water!

Care & Materials

Washing your mermaid tail couldn’t be easier! Just toss it into the washing machine on the cold, gentle cycle—then lay flat or hang to dry. Made of 82% Polyester/18% Spandex.

Care Instructions

Toss your tail into the cold, gentle cycle of your machine—then lay flat or hang to dry. Avoid high temperatures found in hot tubs and saunas to promote the longevity of your fabric tail.

Patented Swim Monofin


Experience a new level of mermaid power gliding through the water in Fin Fun’s unique monofin designed for maximum comfort and safety! Our exclusive design accommodates most foot sizes and features a soft neoprene cover that encases a lightweight polypropylene insert for a natural fit. Stretchable foot-pocket design allows for easy, hands-free removal of the monofin even in water. Our durable monofin includes a lifetime insert warranty.

Learn More
monofin layers
Double-Layered Neoprene Tips
Super-Durable Polypropylene Insert
Dive-Grade High Quality Neoprene

Both you and your child can rediscover the magic of The Rainbow Fish story in this colorful swimmable mermaid tail from Fin Fun’s Limited Edition collection for kids and adults! Featuring the same watercolor palette as the storybook itself with entrancing hues of blue, violet, and pink that come alive with silver sequin scale accents, this mermaid tail will captivate any fish, mermaid, or underwater creature in the deep blue sea!

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