15 Easy DIY Mermaid Costume Ideas
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DIY Mermaid Costume for Adults
Love The Little Mermaid or the idea of dressing up as a mermaid for Halloween?
Believe it or not, it’s really EASY to make an adult mermaid costume yourself.
This guide for making a DIY mermaid costume for adults includes sexy mermaid costume ideas, cute mermaid costume ideas, mermaid costume jewelry, and more!
You’ll also find more DIY mermaid costumes, including:
- Starbucks Mermaid DIY costume for adults
- Scary mermaid DIY costume for adults
- Mermaid costumes for college girls
- How to dress up as Ariel from The Little Mermaid
Best of all, this guide with what you need for a DIY mermaid costume is no sew. You don’t have to be crafty or know how to sew!
Easy Mermaid Costume Ideas for Adults
Below are mermaid costume ideas. Continue reading to learn exactly what you need to create a last-minute DIY mermaid costume.
1. Scary Mermaid DIY Costume for Adults
Want a scary mermaid DIY costume? Here’s an idea for a DIY sexy mermaid costume.
What You Need for a DIY Scary Mermaid Costume:
Gold Skirt | Mermaid Bikini Top | Mermaid Headpiece
2. Sexy Mermaid Costumes for College
Are you in college and looking for mermaid costume inspiration? Below are photos of college women dressed up for Halloween as Mermaids.
Dress Up as these DIY Adult Mermaids for Halloween:
Pink Metallic Skirt | Mermaid Top | Mermaid Face Glitter
3. Blue DIY Easy Mermaid Costumes for College
Get These Mermaid DIY Costumes:
Blue Metallic Skirt | Mermaid Crop Top | Mermaid Hair Accessories
4. Sexy Rhinestone Mermaid Bra Top for DIY Mermaid Costume
Get this Mermaid Halloween Costume:
Green Mermaid Skirt | Mermaid Rhinestone Bra Top
5. Seashell Bikini Top and Skirt for DIY Mermaid Costume
Get this Sexy Mermaid Costume:
Mermaid Skirt | Mermaid Bikini Top | Mermaid Shell Crown
6. College DIY Mermaid Costumes
Get These Mermaid DIY Costumes for College
Mermaid Sequin Skirt | Mermaid Costume Shirt
7. Corset Bra for Mermaid DIY Costume
Get this Mermaid Costume:
Mermaid Corset Bra Top | Blue Mermaid Skirt (plus size mermaid skirt sizes available)
8. Purple Mermaid Costume
This mermaid skirt tail looks amazing on women with curves.
Get this Purple Mermaid Costume:
Purple Mermaid Skirt | Purple Mermaid Top
9. Ariel Mermaid Costume
Women say this mermaid skirt is super cute and fits perfectly.
Dress Up as Ariel from Disney's The Little Mermaid:
Ariel Mermaid Skirt | Purple Sequin Tassel Top
10. Mermaid Costume with Pants
Get this Mermaid Costume with Pants:
Mermaid Pants | Mermaid Swimsuit Bikini Top
11. Sexy Mermaid Costume
Get this Sexy Mermaid Costume:
Sequin Mermaid Skirt | Mermaid Shell Bra Top
12. The Little Mermaid Costume
Dress Up as Ariel from The Little Mermaid:
The Little Mermaid Skirt | Mermaid Purple Bikini Top
13. The Little Mermaid DIY Costume
Get this Mermaid Costume for Women:
Green Mermaid Skirt with Tail | Purple Mermaid Corset Top
14. Mermaid Costume for Teenagers
Get this Mermaid Costume for Teenager:
Ariel Bikini Top | Ariel Green Mermaid Skirt
For an easy DIY mermaid costume for teenagers, all you need is a mermaid skirt and a cute mermaid top!
15. Real Mermaid Costume
Dress Up as a Real Life Mermaid:
Green Mermaid Skirt | Mermaid Bikini Top
Want to dress up as a real life mermaid? Then you'll want a flared mermaid skirt and a glittery bikini top!
DIY Mermaid Costume Plus Size
Searching for a dIYHere are options for easy DIY mermaid costumes for adults in plus size.
You may also want to check out this DIY plus size Ariel costume guide.
DIY Mermaid Plus Size Costume
What You Need for this Sexy DIY Plus Size Mermaid Costume:
Plus Size Mermaid Skirt | Plus Size Mermaid Corset Top
DIY Mermaid Plus Size Costume
Get this Plus Size Mermaid Costume:
Plus Size Mermaid Costume with Tail | Plus Size White Bra | Sea Shells (glue onto the bra)
DIY Mermaid Costume Tops
Want a DIY mermaid Halloween costume? First, start with a mermaid top. You can go with a bikini top, seashells, or a tank top. You have so many options with DIY mermaid costumes for women!
Crop Top Mermaid Top
Sparkly Tube Top for Mermaid DIY Costume
Simple Mermaid Bikini Top
Mermaid Tails for Costume
A mermaid tail is a MUST for any DIY mermaid Halloween costume for women.
You will LOVE the mermaid tail below. I bought this mermaid tail skirt and it looked great!
Mermaid Tail for Adult Costume (Available in Plus Sizes Up to 2/3XL)
Amazon also has other mermaid costume skirts with great ratings:
Mermaid Plus Size Skirt
This mermaid costume skirt comes in sizes up to 4X.
Blue Metallic Hologram Mermaid Skirt with Waist Pearl Chain
Green Metallic Hologram Mermaid Skirt with Waist Pearl Chain
Mermaid Tail Maxi Skirt (Plus Size Friendly)
This mermaid tail skirt has a flare at the bottom. It also comes in sizes up to XX-Large.
Mermaid Tail Skirt with Mesh and Sequins (Plus Size Friendly)
This mermaid skirt comes in sizes up to 4X-Large.
DIY Mermaid Costume Leggings
If you don’t want to wear a skirt, these mermaid leggings are perfect for an easy DIY mermaid costume for adults.
This is one of my favorite mermaid costumes for adults if you live somewhere cold!
How to Dress Up as The Little Mermaid for Halloween
Here’s what you need to buy to look EXACTLY like Disney’s The Little Mermaid.
Option 1: The Little Mermaid DIY Costume
What You Need for this DIY Mermaid Costume for Adults:
Mermaid Hologram Skirt | Pink Mermaid Bikini Top | Ariel Wig
Option 2: The Little Mermaid DIY Costume
What You Need for this DIY The Little Mermaid Costume:
Mermaid Flared Skirt | Mermaid Top | Ariel Wig
Option 3: Ariel in Pink Ball Gown Costume
Dress up as Ariel in a Pink Ball Gown:
Ariel Pink Ball Gown | Ariel Wig
Wig for The Little Mermaid Costume DIY
If you want to dress up as The Little Mermaid, you may want to wear a wig.
This red wig is perfect for a The Little Mermaid DIY costume.
DIY Mermaid Costume Adults Accessories
A DIY mermaid costume for adults isn’t complete without the right accessories!
Here’s what you’ll need for the best mermaid costume DIY.
Jewelry for Mermaid Costume DIY
Mermaid Crown for DIY Mermaid Costume for Adults
Mermaid Hair Accessories for Last Minute DIY Mermaid Costume
Mermaid Makeup for Mermaid DIY Costume
Starbucks Mermaid DIY Costume for Adults
Dressing up as a Starbucks mermaid is a fun and unique DIY mermaid costume!
How to Dress Up as a Starbucks Mermaid:
Starbucks Mermaid Skirt | Green Mermaid Hair | Starbucks Mermaid Crown
Best Mermaid Costume Must-Haves
For a DIY mermaid costume, below are some of my favorites!