15 Magical Mermaid Sewing Patterns

Below, you'll find plenty of costumes for Halloween or themed dress-up parties. But that's far from all. Find bags, accessories, fun bedroom decor, and projects that will lead to more summer fun!

If you or your child are always up for a viewing of The Little Mermaid, love reading about these mythical creatures, or simply like the idea of being able to swim freely in the ocean, you will love these fun designs.
 

This adorable little Homemade Mermaid Costume is a must-make if you have a child who wants to be a mermaid. Your little one will love dressing up for Halloween in this Homemade Mermaid Costume.

The tail is easy to walk in, turns into a cute skirt, and this pattern also has a bandeau shell top. She'll never want to take off this homemade Halloween costume.
 

So much variety and magic can be found within this Mini Felt Mermaid Softie Pattern! Make mermaids, mermen, and merpeople, all with a unique look.

With options for changing hair, skin tone, mermaid top and tail, you can make dozens without ever repeating a look. Plus these eensy weensy mermaid softies are quick and fun to make. Ideal for children to try, too!
 

Add a magical piece to your closet or save this DIY Mermaid Skirt for a special occasion. Either way, you'll sparkle and shine anywhere you go.

This version of a DIY mermaid skirt is essentially two tiers with only one of them gathered so it's an easy project to make, and it's fast as well. Make them in any size you want and any color your mermaid soul desires.
 

When you're cold but still want to be a mermaid, then look no further than this fabulous Mermaid Tail Blanket Pattern. It's the softest "sleeping bag" style blanket you'll find. It's long, so it will cover most of your body and it's quick to sew.

Not to mention that you can choose your favorite anti-pill fleece to make it personal for you. Feel special, warm, and oh so magical with this cute project in your life.
 

Have you ever tried sewing or wearing a mermaid skirt? It's a unique style that fit tight on top but then flows out at the bottom. This magical maxi is a must-make for fashion-forward folks. 

This particular Mermaid Skirt Pattern also has a tutorial, so it's easy to follow along. The skirt has an elastic waistband in the back and a fitted waistband on the front with a zipper opening.
 

How about a Sparkly Mermaid Tail for your kiddo? What screams fantasy more than this brilliant and stylish skirt? She can sport this cute skirt during playdates, dress-up, or for Halloween. Choose her favorite colors to make this DIY mermaid skirt.

Not only is it charming and sweet, but it's easy to sew and comfortable to wear. She can strut around as she would in any dress or skirt.
 

This DIY Mermaid Inspired Dress is simple yet perfect, don't you think? It's easy to dress up or down or make a unique Halloween costume. It can be worn any day at school and no one would bat an eye but it's just magical enough to make your girl smile.

By the way, this designer also has some cute nautical treat bags, like this shark bag you see below. It's a creative accessory to complete this costume.
 

Turn your bedroom into a mermaid lair you or your child will love to snuggle and play with. This incredible Mermaid Pillow Pattern is simple to sew and customize in size and colors, but that's not all.

There is no way you'll be near one of these DIY pillows without wanting to brush the unique texture. Write your name or watch the colors change; it's magical.
 

For an unexpected take on the traditional mermaid costume, you're going to want to see this original DIY Skeleton Mermaid Costume! If you're little one likes a a bit of darkness but still wants to show off a mermaid tail, then this is the make for you.

If you like this, then you have to see this designer's DIY Ghost Mermaid Costume, too. For a head-turning costume that stands out from the crowd, one of these is going to be it.
 

Who says mermaids are only for summer? Not us! Adorn your Christmas tree with this flashy DIY Mermaid Ornament. Not that this extraordinary ornament needs to sit in a box until winter.

When it comes to our magical mermaid sewing patterns, none of these makes should sit in a box. Use this as an everyday ornament or make a bunch and turn them into a garland for a mermaid-themed birthday party.
 

Not only do you get to make a mermaid tail as part of this Popsicle Holder Sewing Pattern, but there are four different versions: a rectangle, a sword hilt, a mermaid tail, and a shark. Add some fun stitching for optional details.

Use polar fleece for that absorbing and soft touch or whatever other fabric you have on hand. It's fast, fun, and seriously helpful for saving little hands from the cold.
 

How incredibly gorgeous is this Halloween Mermaid Costume? You'll be the bell of the sea when you walk into your next Halloween party in this number. Inspired by Ariel, this DIY mermaid costume is truly a stunner.

This intermediate sewing project shows you how to make the skirt and top, plus tips on embellishments and other details to help you turn into a full mermaid.
 

With only a few steps, this Mermaid Tail Blanket Free Sewing Pattern is going to be your new go-to for keeping warm when the A/C is blasting. There is a video and written tutorial, which makes it easy for most sewists.

Your kiddo will love pulling up this blanket while watching The Little Mermaid. You can even make a DIY mermaid tail for their favorite doll. How adorable is that? 
 

This fantastical mermaid outfit is no-sew? Unbelievable! That's right, you don't need to pick up a sewing needle in order to make this pretty princess-inspired No-Sew Tulle Dreams Mermaid Costume.

Mermaid costumes have been popular for years, so to make sure your little girl feels special in her costume, make it yourself.
 

This cute little Mermaid At Heart Tote Bag comes from our friends at FaveCrafts. Even if you can't be a "real" mermaid, you can make your feelings clear with this no-sew project.

You can sew up a purse pattern you find, or simply purchase a blanket canvas tote at the craft store for this joyful stenciling craft. Follow the video and written tutorial for inspiration or make your own additions to this "mermaid at heart" design.