We have a lovely range of mermaid costumes from UK fancy dress stores.

A mermaid costume like those here can make children look cute and grown women look sexy.

We've tracked down the best UK prices for cheap sea siren and mermaid costumes from major UK fancy dress outfit stores including Angels Fancy Dress, Party Domain, The Kids Window, Amazon, Ebay, Elf Box, Woolworths, Tesco, Argos, Play.com and Escapade Fancy Dress.

A cheap mermaid costume for a girl will cost around £10 to £15 but you can expect to pay more for a better quality of outfit made of stylish material. These costumes make the perfect birthday or Christmas gift for any little girl.

We bring you mermaid costumes and wigs for all ages - from dainty outfits for young girls, infants and toddlers to adult costumes for ladies which make a great choice for a fancy dress party or hen night.

Mermaid costumes usually feature a long wig and a dress in a choice of colours including pink, red, purple, blue, green, silver or gold.

In mythology mermaids were half fish, half women creatures that lured sailors to their death with their incredible beauty and hypnotic singing.  Legend has it that they wanted the men for their underground sea world but were unaware that humans can't breathe under water, so they did it with the best intentions! 

Mermaids really came to the forefront of the public's imagination with the Disney animated version of Hans Christian Anderson's The Little Mermaid  in 1989.  As a result, many of the mermaid costumes out there for little girls are based very much on the Disney character, Ariel with a focus on turquoises and purples - a welcome break from the flood of pink clothing you find for young girls these days.

Mermaid costumes look really sweet, especially when they are complemented by a tiara style head-dress, a wand and even a feather boa.  Little girls that love dressing up as fairies and princesses also tend to love being mermaids as the costumes have a lot in common - they tend to be bright, shimmery, sparkly and floaty.  

Sequins make the perfect scales and not only can you get fin shaped flares at the base of the skirt to look like tails, there are even a few designs out there that come with 'proper tails' - the front of the skirt is shaped like a tail and goes right to the floor hiding human feet!  

And if your little angel loves pink way too much, you could always get her a pink mermaid costume for pure, magical, girly wonderment!  Take your pick from an array of options to make your mermaid the prettiest underwater princess there ever was.

For women looking to dress up as a mermaid, the costumes we bring you are the ultimate in sexy fun.  The top half (human) of the costume is normally made up of a halter top or bikini top and generally make use of nautical colours and shapes.  

You can expect adornments such as shells, sequins and pearls.  The skirt (fish) part of the outfit is form fitting from hip to knee and then flares out to form a fishtail at the feet.  

Again, think shimmery, glimmery and sequins in ocean colours such as blues, greens and turquoises.  Accessorise with a long flowing wig to help lure your sailor!

Bear in mind, if you are considering buying a mermaid costume you will be showing quite a lot of flesh and there's nowhere to hide any lumps and bumps you might be self conscious of (though you could add a sheer pashmina in a matching shade for a little bit of covering).

A mermaid costume is great for the body confident and the young.  It's also best suited to fancy dress parties taking place in a single location as mermaids are really not meant to be covered in goose bumps as they brave a pub crawl on a girl's night out!  

This is a very versatile costume if your party has a theme - it can be film, fantasy, mythical, magical, tropical island  -and so much more!

All in all if you've got it and want to flaunt it or if you have a gorgeous little girl who adores dressing up and wants to look totally cute, then a mermaid costume is the perfect solution to your dressing-up dilemma.