Halloween is here, and it’s the perfect time to dive into a sea of creativity. If you love bold, magical, and show-stopping looks, a mermaid Halloween outfit is a must-try.
You can mix sparkling tails, shimmering scales, and unique accessories to create a look that truly stands out. Plus, makeup and hairstyles can completely transform your vibe from playful to dramatic.
Accessorizing with shells, pearls, and creative props takes your outfit to the next level. In this article, we’ve rounded up 24 eye-catching mermaid Halloween outfit ideas to rock this year and make your celebration unforgettable.
Girls Sparkling Mermaid Costume
Shimmer in a teal and green sequin tail with a matching top. Apply soft blush, light gloss, and subtle eyeshadow. Add a seashell crown, sparkly sandals, and beachy waves.
This look brings magical ocean vibes to life for a fun Halloween. The costume is ideal for anyone who wants to be playful while embracing the spirit of a mermaid.
Girl’s Ariel Classic Costume
A purple top with a green skirt replicates Ariel’s iconic style. Use soft peach blush, a nude lip, and light eyeshadow. Pair with a red wig styled in waves.
Add a seashell necklace and a toy dinglehopper. This classic Disney look brings Ariel’s charm to life, offering an easy and recognizable choice for your Halloween outfit.
Women’s Disney Ariel Costume Outfit
A turquoise skirt and purple top will bring out Ariel’s beauty. Go for natural makeup with soft brown eyeshadow and a nude lip.
Add a red wig, seashell earrings, and a starfish necklace. A toy dinglehopper completes this Disney-inspired look. Channel Ariel’s underwater magic with minimal effort for a fresh, enchanting Halloween vibe.
Pretty Purple Mermaid Kids Costume
A sparkly purple mermaid tail and top are the heart of this costume. Apply a light blush and a glossy pink lip. Add a flower crown, seashell earrings, and a necklace.
Style the hair in loose curls or braids. This whimsical, fairytale-inspired costume is a great choice for younger kids ready to shine at Halloween parties.
Plus Size Under the Sea Mermaid Costume for Women
A teal dress with a shimmering tail and fitted bodice brings the ocean to life. Apply bronzer, soft pink blush, and a nude lip for a fresh look.
Pair with seashell jewelry, silver bracelets, and wavy hair. This costume emphasizes sea beauty, giving a graceful and confident appearance perfect for Halloween.
Deluxe Under the Sea Beauty Women’s Costume
Dress in a sparkling mermaid gown with a flowing tail, seaweed details, and a matching tiara. Apply shimmering highlighter, soft pink lips, and bronze eyeshadow.
Add layered necklaces and ankle boots. Style your hair in waves or a loose braid to add to the underwater enchantment. This costume evokes magical, ethereal vibes for Halloween.
Women’s Glamour Skeleton Mermaid Costume
Pair a skeleton corset top with a teal mermaid skirt featuring a high slit. Use dark smoky eyeshadow, bold eyeliner, and a deep red lip.
Add skeleton gloves and seashell jewelry. Style your hair in voluminous waves or a messy updo. This gothic-inspired mermaid look is a unique Halloween twist on both spooky and glamorous.
Women’s Undersea Mermaid Costume
A shimmering sea-green gown with a flowy tail creates an ethereal look. Apply soft blush, glowing skin, and a nude lip.
Accessorize with a starfish crown and pearl earrings. Style your hair in soft curls or a side braid. This look captures the beauty of the sea, making it ideal for an enchanting Halloween appearance.
Sea Siren Women’s Costume
Wear a blue-green gown with a scale-like pattern. Apply shimmering highlighter, soft bronzer, and a coral lip. Add a seashell tiara, fishnet gloves, and a faux trident.
Style hair in beachy waves or a messy bun. This costume gives a powerful, mystical vibe for anyone looking for an alluring mermaid look this Halloween.
Women’s Venus Mermaid Costume
Opt for a royal blue gown with glittery seashell accents. Apply bold blue eyeshadow with shimmer and a nude lip.
Add a silver crown, pearl earrings, and a flowing scarf. Style hair in loose waves or curls. This regal mermaid costume exudes oceanic beauty, ideal for anyone aiming for an elegant Halloween look.
Under the Sea Mermaid Women’s Costume
Wear a teal gown with a seashell bodice and fish-scale accents. Apply soft brown eyeshadow and a nude lip. Add a starfish hairpin and matching earrings for extra flair.
Style your hair in beachy waves or a high ponytail. This costume captures the mysterious depths of the sea, perfect for channeling mermaid magic this Halloween.
Hipster Mermaid Women’s Costume
Pair a denim skirt with a seashell top for a fun and modern mermaid look. Keep makeup natural with peach blush and a nude lip.
Add layered necklaces, sunglasses, and sandals. Style your hair in loose curls with a flower crown. This costume adds a fresh, edgy twist to the mermaid theme.
Ariel Adult Dress Little Mermaid Adult Dress
Wear Ariel’s iconic blue gown with a purple bodice. Apply soft peach blush and a pink gloss for a fresh, youthful look. Add a starfish necklace, a red wig, and a seashell bag.
This adult version of Ariel channels the princess’s charm while staying age-appropriate. It’s a fun way to bring Disney magic to your Halloween style.
Mermaid Style Fishnet and Fishscale Fabric
Wear a fishnet dress paired with a fishscale tail in teal and blue. Apply sea-blue eyeshadow with a glossy lip. Add a shell bracelet, fishnet gloves, and a sparkling tiara.
Style hair in loose waves or a fishtail braid. This look offers a modern, edgy twist on the classic mermaid, ideal for a unique Halloween style.
Coffee Filter Mermaid Costume
Craft a unique costume using stacked coffee filters for the tail and a simple top. Apply soft blush and a clear gloss to your makeup.
Add a seashell headband and white sandals to complete the look. Style hair in loose curls or braids for a whimsical vibe. This creative DIY costume offers a fun, budget-friendly option with a playful, ocean-inspired flair.
Upside-Down Mermaid Costume
Create an upside-down mermaid look by wearing a tail on top and a top mimicking the torso. Apply bold blue eyeshadow and a dark lip.
Add a trident, seashell necklace, and starfish clips for added detail. Style hair in loose beach waves or a messy bun. This quirky and playful costume will certainly grab attention.
Adult Mermaid Costume
Opt for a teal corset with an iridescent tail for a timeless mermaid look. Apply bronze eyeshadow, soft pink blush, and nude lips to complement the outfit.
Add a seashell crown, bracelets, and a matching belt. Style hair in cascading waves or a high ponytail to complete the magical look.
Tween Mermaid Costume
Dress in a sparkly green or purple mermaid tail with a matching top. Apply soft pink eyeshadow and peachy lip gloss for a youthful vibe.
Add a tiara, seashell earrings, and matching sandals. Style hair in soft curls or a simple ponytail. This costume is perfect for tweens wanting a fun and magical Halloween look.
Mother-Daughter Mermaid Costume
Coordinate matching mermaid outfits with your daughter for a charming Halloween look. Apply natural makeup with a soft pink blush and a clear gloss.
Add seashell necklaces, tiaras, and matching sandals. Style hair in braids or loose waves. This costume is a lovely way for mothers and daughters to share in the mermaid magic.
Maternity Mermaid Costume
Wear a teal gown with a flowing fishtail design to fit your baby bump. Apply soft eyeshadow and a nude lip to keep the look natural.
Add a seashell necklace, starfish earrings, and a tiara. Style hair in a braid or loose waves to enhance the mermaid effect. This costume offers comfort and charm, perfect for moms-to-be celebrating Halloween.
Seashell Mermaid Costume
Dress in a pastel-colored gown with seashell accents on the top. Apply soft peach blush, light pink eyeshadow, and a nude lip for a fresh look.
Add a seashell headband and a starfish necklace to complete the ensemble. Style hair in loose curls or beachy waves. This costume highlights oceanic beauty, ideal for anyone looking for a soft and enchanting Halloween vibe.
Chic Mermaid Costume
Wear a fitted corset top with an iridescent skirt. Apply soft peach blush, warm gold eyeshadow, and a nude lip. Accessorize with a shell tiara, delicate necklace, and starfish bracelet.
Style hair in loose waves or a messy bun. This costume combines modern sophistication with mermaid magic, making it an elegant choice for a Halloween celebration.
Felt Mermaid Costume
Dress in a felt mermaid tail skirt paired with a simple top. Keep makeup minimal with soft brown eyeshadow and a nude lip. Add a flower crown, seashell jewelry, and sandals for a boho touch.
Style hair in braids or a messy bun for a carefree look. This DIY costume offers an affordable yet whimsical approach to mermaid magic.
Gothic Mermaid Costume
Opt for a black mermaid dress with lace and velvet accents for a gothic twist. Apply dark makeup with smoky eyes, bold eyeliner, and a dramatic black lip.
Add a black lace choker and a silver fishbone necklace. Style your hair in voluminous waves or a dark braid. This costume combines dark elegance with mermaid allure for a unique Halloween style.
Conclusion
After exploring 24 Mermaid Halloween outfit ideas, a few truly stand out. The Deluxe Under the Sea Beauty costume offers magical elegance, while the Gothic Mermaid twist brings dark allure. Pairing sparkling tails with seashell accessories and playful hairstyles transforms any look. These standout options ensure a fun, unforgettable, and uniquely mermaid-inspired Halloween.
Frequently Asked Questions
How can I make a DIY mermaid Halloween costume?
Use a shiny or sequin skirt, glue seashells on a top, add glitter makeup, and accessorize with a shell crown. Simple materials create a stunning mermaid look.
What makeup suits a mermaid Halloween outfit?
Use shimmering eyeshadows, glitter highlighter, colorful scales on cheeks or temples, and metallic lipstick. Think iridescent blues, purples, and greens for a mystical, ocean-inspired vibe.
Can kids wear mermaid Halloween costumes?
Yes, kids can wear soft tail skirts or dresses with sparkly tops. Add small shell accessories, face glitter, and comfortable shoes to keep it safe and fun.
Which accessories match a mermaid Halloween outfit?
Shell crowns, pearl necklaces, glittery belts, starfish hair clips, or temporary tattoos with scales enhance the look. Accessories elevate a basic costume into a magical mermaid ensemble.
