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The Mertailor Fantasea Fin Collection

Find Your Fantasea Fin.

From the Original Fantasea Fin that started the collection to the unmistakable silhouette of Fantasea Fin Five, each fin brings its own shape, size, personality, and feel to your mermaid swimming.

Different fins. Different personalities. Same obsession with how they look and feel in the water.

Mertailor Fantasea Fin silicone mermaid monofin collection

Made by Mertailor

Meet the Fantasea Family

One Fin Family. Five Very Different Ways to Swim.

Fantasea Fins are flexible silicone mermaid monofins created for fluid movement, comfortable swimming, and a more natural-looking flow underwater. Start with the silhouette that speaks to you, then choose the Fantasea Fin that fits the kind of mermaid you want to be.

Original Mertailor Fantasea Fin silicone mermaid monofin

Where Fantasea Began

Original Fantasea Fin

Lightweight, flexible, and easy to love. The Original Fantasea Fin delivers the flowing silicone experience in an approachable silhouette that works beautifully for recreational swimming, travel, and everyday mermaid adventures.

Platinum Silicone Lightweight Feel Travel Friendly

Explore the Original

A Little More Fantasea

Fantasea Fin Too

Step into a larger Fantasea silhouette with more visual presence while keeping the soft, flowing movement that defines the collection. A natural next step when you want your mermaid profile to get a little louder.

Platinum Silicone Larger Silhouette Fluid Movement

Explore Fin Too

Fluidity Meets Function

Fantasea Fin Three

Bigger, beautifully flowy, and unmistakably mermaid. Fantasea Fin Three brings a more traditional mermaid silhouette to the Fantasea family while remaining flexible enough for recreational swimming and travel.

Platinum Silicone Classic Mermaid Shape Flexible Design

Explore Fin Three

Bigger. Bolder. Different.

Fantasea Fin Four

A larger aquatic silhouette inspired by the curves and movement of marine life. Fantasea Fin Four brings a completely different personality to the collection for swimmers who want their fin to make its presence known.

Silicone Construction Large Silhouette Aquatic Profile

Explore Fin Four

The Biggest Fantasea Fin

Fantasea Fin Five

Go big. Fantasea Fin Five is the largest silicone monofin in the Fantasea family, combining a dramatic professional profile with beautiful flowing movement and plenty of push through the water.

Platinum Silicone Largest Fantasea Fin Powerful Push

Explore Fin Five

Made by Mermaids. Tested by Mermaids.

We Didn’t Design These From the Side of the Pool.

Fantasea Fins grew out of more than two decades of tail making, swimming, performing, sculpting, experimenting, and probably a little obsession. We care about how a fin looks—but we care just as much about what it actually feels like once you get it underwater.

More Ways to Fantasea

Little Mermaids & Free Feet.

The Fantasea family goes beyond our five primary monofins. Explore a Fantasea option created for younger swimmers, or keep both feet independent with Fantasea Kicks.

For Younger Mermaids

Kids Fantasea Fin

A flexible silicone Fantasea Fin created for confident younger swimmers ages 8 and up, bringing the look and flowing feel of the Fantasea family into a smaller silhouette.

Explore Kids Fantasea

Two Feet. Same Fantasea Attitude.

Fantasea Kicks

A pair of platinum-grade silicone swim fins with comfortable molded foot pockets, fluid movement, and independent feet for swimming, snorkeling, underwater filming, and aquatic adventures.

Explore Fantasea Kicks

Or Dive Right In

Shop Fantasea Fins & Monofins

Explore the currently available Fantasea Fin collection and swimming products below.