The 9 Best Monofins
We spent 19 hours on research, videography, and editing, to review the top choices for this wiki. If you have a little one who wants to emulate Princess Ariel from Disney's "The Little Mermaid," then one of these monofins will help him or her indulge those underwater fantasies. But some of them are more than decorative pieces and can be used by serious athletes wishing to build leg and core strength, and by swimmers trying to perfect their dolphin kick. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best monofin on Amazon.
9. Finis Adult Foil
The sturdy yellow Finis Adult Foil is designed to teach swimmers the Foil body motion to improve their dolphin kicks. Its channeled surface controls its flexibility to encourage proper movement and give your legs and core a powerful workout.
- open toe and heel design
- a bit heavy for some users
- ankle straps could be more durable
|Rating||4.3 / 5.0|
8. Tendol Swimming Fin
The Tendol Swimming Fin is both decorative and functional. It comes in two bold duotone designs and can help build leg strength and add power to a dolphin-style kick. Just take note that it's meant for children 12 years old and younger.
- tpr foot pockets prevent irritation
- easily adjustable strap
- too wide for smaller feet
|Rating||4.2 / 5.0|
7. Sun Tails Keiki
While, of course, the primary purpose of the Sun Tails Keiki is to serve as part of a mermaid ensemble for a party or performance, it does include a fin insert suitable for use while swimming, which will, indeed, help propel you along underwater.
- available in many colors and sizes
- breathable stretchy fabric
- tail stitching is a bit weak
|Brand||Sun Tail Mermaid|
|Rating||3.5 / 5.0|
6. Finis Shooter
The Finis Shooter is not a decorative costume piece for use in an underwater show, but rather is a training tool for competitive swimmers and divers who want to achieve maximum speed and control as they zip through the water.
- helps build core strength
- good for butterfly training
- construction is a bit flimsy
|Rating||4.0 / 5.0|
5. Zole Mermaid
The affordable Zole Mermaid comes in two colorful designs to suit the preferences of your young swimmer. It features an adjustable strap to ensure a tight fit around the ankles and its foot pocket is made from thermoplastic rubber to reduce chafing.
- quick-release strap for safety
- helps build leg strength
- polypropylene is prone to cracking
|Rating||4.2 / 5.0|
4. Mahina Mermaid MerFin
The Mahina Mermaid MerFin works as both a dress-up toy and a swim aid for people of just about any age, as it comes in a total of six sizes. It's soft and flexible material promises to enhance your grace and agility in the water.
- available in three colors
- made mostly of recycled rubber
- may chafe skin with extended use
|Rating||4.3 / 5.0|
3. Body Glove Linden
Whether you use it for fun or for training, the Body Glove Linden will surely satisfy. Though lightweight, it is well-made and sturdy, and offers a large surface area that will help make each kick of your legs more powerful and productive.
- bottom holes for drainage
- channeled surface improves agility
- fits most children
|Brand||Body Glove Wetsuit Co|
|Rating||4.5 / 5.0|
2. Fin Fun
The Fin Fun is a combination fin and tail set that allows its wearer to not just swim like a mermaid, but look like one too. They're available in your choice of colors and sizes, so you're sure to find one suitable for every member of the family.
- comfortable high-gloss fabric
- sturdy neoprene-wrapped plastic fin
- reinforced tail tips for durability
|Rating||4.7 / 5.0|
1. Fin Fun Pro
With sock-like dive-grade neoprene sleeves around your ankles, the strap-free Fin Fun Pro fits most adult feet and won't slip off or chafe while performing dolphin kicks or turns underwater. That being said, it can be removed hands-free, a welcome safety feature.
- removable polypropylene insert
- easy to rinse and air dry
- also available in a kids' size
|Rating||5.0 / 5.0|