Welcome to Fin Fun, the world’s leading maker of swimmable mermaid tails for kids and adults! Shop our mermaid tails for swimming, patented monofins, apparel & more now!

These colorful, fabric tails slip over your legs and come with a monofin inside, allowing swimmers to glide smoothly like a real mermaid. With each kick, the tail moves gracefully through the …

Elite mermaid tails by Fin Fun are for professional mermaids and advanced hobbyists wanting to take their experience to new depths. Each tail design features bright hues and intricate details …

Design your own mermaid tail from scratch or submit your measurements for a custom size with Fin Fun’s custom mermaid tail options for kids & adults!

The Mermaidens mermaid tails are inspired by the colorful tails of the mermaid princesses on FinFriends.com, and each one tells a special, seaworthy story that'll get you excited to dive in …

You'll make a statement at the pool or beach with a tail that has all the best features of Fin Fun mermaid tails and more! This special collection of tails includes fade-resistant, realistic scale …

Paint your world with shades of sea green, ocean blue, and amethyst as you glide through the water with Fin Fun’s Watercolor Waves Limited Edition mermaid tail!

Design your own beautiful mermaid tail with your mobile device or desktop computer.

Soft edges help protect tail fabric while allowing for smooth, flowing mermaid motion. *Compatible only with our Elite Mermaid Tail lines. With safety, comfort, and performance at the core of …

Get ready to swoon over Fin Fun's amazing and ever-changing assortment of Limited Edition mermaid tails for swimming! These special and unique mermaid tails, with varying scale …