With so many mermaid tails on the market, choosing the right one for your child can feel overwhelming. Fabric or sequin? Luxury or affordable? Toddler or teen? We've put together this guide to help UK parents find the perfect tail — and as a small family business that's been selling mermaid tails since 2020, we know a thing or two about what makes a great one!
🧼 What Makes a Good Mermaid Tail?
Before diving into our picks, here's what to look for when buying a mermaid tail for swimming:
- Fabric, not sequins — sequin tails look pretty but are scratchy, uncomfortable and not designed for actual swimming. A soft fabric tail is far better for pool use.
- Correct sizing — always size by height, not age. A poorly fitting tail will slip down or restrict movement.
- Monofin compatibility — a good tail should work with a monofin for authentic mermaid swimming.
- Machine washable — because chlorine happens, and you'll be washing it a lot!
- Age appropriate — tails for swimming are recommended for confident swimmers aged 7+. Younger children can enjoy toddler tails in very shallow water with supervision.
🏆 Our Top Picks for 2026
Pink Frill Mermaid Tail & Bikini Set
Our most popular toddler tail — available from age 2 in our special 100cm size. The gorgeous pink design with matching frill bikini is absolutely irresistible, and the soft stretchy fabric is gentle on little ones' skin.
- Available from 100cm (age 2) to 150cm (age 12)
- Soft stretchy fabric
- Matching frill bikini included
- Machine washable
Bubbles Deluxe Mermaid Tail & Double Frill Bikini Set
If you want the very best, the Bubbles Deluxe tail is our most premium design. Made from a slightly thicker, extra-soft fabric with a stunning bubble print and a gorgeous double frill bikini — it's the tail that gets the most compliments poolside!
- Available in 110cm–150cm (ages 3–12)
- Premium side zip for easy dressing
- Slightly thicker, extra-soft fabric
- Stunning double frill bikini included
Bold Rainbow Luxury Mermaid Tail & Bikini Set
For little mermaids who love to stand out, the Bold Rainbow tail is a showstopper. Vibrant multi-colour design with added dorsal fins — it looks absolutely spectacular underwater!
- Available in 110cm–150cm (ages 3–12)
- Luxury side zip design
- Added dorsal fins
- Matching halter neck bikini
Jewel Collection — Pink, Green & Blue
Older mermaids finally have a tail worthy of them! Our Jewel collection goes up to 170cm and is available in three stunning colourways. As seen in the photo above — the Blue Jewel is a firm favourite with adults too. Premium luxury finish with side zip.
- Available in 110cm–170cm (ages 3–16+)
- Luxury side zip design
- Three colourways: Pink, Green and Blue
- Matching bikini included
Candyfloss Mermaid Tail & Bikini Set
Want a great quality tail without the luxury price tag? Our Candyfloss tail is bright, beautiful and brilliant value. Part of our more affordable range with bottom poppers for easy monofin access.
- Available in 110cm–150cm (ages 3–12)
- Bottom poppers for easy monofin changes
- Matching halter neck bikini with embellished bow
- Machine washable
💎 Don't Forget the Monofin!
A mermaid tail without a monofin is like a bike without wheels — it works, but you're missing the magic! Our neoprene monofins slot inside the tail and give your child the authentic dolphin-kick swimming experience. They're sized by foot length and available separately.
❓ Still Not Sure Which to Choose?
Every child is different and we genuinely love helping parents find the perfect tail. Drop us an email with your child's age, height and what they're looking for and we'll give you a personal recommendation — usually within a few hours!
Find your perfect mermaid tail 🧜♀️
Browse our full UK collection with free delivery over £45!
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